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Close-up splash of diesel fuel in liquid form
Fuel Filtration-Clogged Filters-Cleaning Them Up. 1024 678 Star Oilco

Fuel Filtration-Clogged Filters-Cleaning Them Up.

Has your fleet experienced black diesel fuel or clogged fuel filters?  
Do you wonder what makes diesel go bad or cause further issues?  

contaminated_diesel

In most cases, it’s water and dirt in the fuel leading to further degradation over time. If gone unchecked it will lead to mechanical failures in your fleet.

 

Donaldson Filter has a great educational video about the high stakes importance of aggressive filtering of your diesel prior to going into your fleet. Today aggressive filtering and ongoing quality assurance of your fuel is a must. Star Oilco calls this Precision Fuel Management and we offer it to all of our bulk fuel customers.

Precision Fuel Management is the ongoing improvement of your diesel fuel quality.

This is done by adding aggressive Donaldson filtration to the dispenser on your diesel tank or filtering fuel on Star Oilco’s Mobile Onsite trucks when wet hosing our customers). For bulk storage tanks, we include a Donaldson desiccant breather to the vent on your tank to scrub moisture from the air as it is pulled into your tank, as well as Hydrotex PowerKleen Premium Diesel Additive. In addition to these best practices Star Oilco will also sample your tank bottom, as well as take a representative sample out of your diesel nozzle and lab test this fuel according to the ULSD ASTM standard D975, as well as check for the ISO cleanliness level of your fuel. We test twice a year going into Summer and Winter to confirm if there is water on the bottom of your tank as well as any worries about dirt, biological growth, or any other recurring, but preventable fuel quality problems.

NOTE: ASTM D975 is the specification for ultra low sulfur diesel in the United States. ISO Cleanliness is a standard to check for microscopic dirt that can harm the performance of your engine systems long term if it’s getting past your engine filtration. 

https://staroilco.net/bulk-fuel/biofuels/precision-fuel-management/

Diesel technology has advanced a long way in the last decade to meet the extremely high emission standards of the EPA and CARB for diesel engines. What this advanced diesel tech means is that your engine has extremely high-operating fuel pressures and extremely tight tolerances for the fuel acceptable to the long term use of your engine.

What does this mean in a nutshell?

High operating fuel pressures and tight tolerances in the fuel rail mean dirt and water can destroy injectors and affect the operation of your fleet. These two contaminants (dirt and water) are the source of most other fuel-related problems and therefore your highest exposure to preventable maintenance cost. If you have experienced unexplained fuel filter spinning, failed injectors, and DPF maintenance that is more than normal, it may be fixable with Precision Fuel Management.

Precision Fuel Management is aggressive filtration at the fuel dispenser combined with PowerKleen Premium Diesel and a clean dry tank bottom that is sampled and tested regularly. If you want to look into cleaning up your bulk fuel, give Star Oil a call. Our first step is a complementary test of your fuel.

If you have an immediate concern about biological growth and long-term storage with your diesel, we recommend an alternative stopgap measure. Treat your fuel with Bioguard Plus 6 to kill the bugs growing in your diesel fuel.

Fill out the form to get a complementary diesel tank test for ASTM and ISO cleanliness of your fuel.

Tank Testing Form

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home insulation representing energy efficiency for renewable fuel standard compliance in Portland Oregon
Portland Renewable Fuel Standard Explained 1024 683 Star Oilco

Portland Renewable Fuel Standard Explained

Did you hear about the time Portland banned fossil fuel diesel?

Portland is making a big move to provide cleaner air and reduce greenhouse gas emissions. Portland has implemented what’s called the Renewable Fuel Standard (RFS) beginning  its first phase on May 15th, 2024. The RFS policy in Portland mandates that there has to be an increase of use of low-carbon biofuels in diesel within city limits of Portland. This is part of the ultimate Climate Emergency plan. This RFS mandate was first implemented in 2006 as a B5 (5%) Biodiesel blend mandate with the goal of mandating a 20% blend. The RFS is the first of its kind not only in Oregon but in the entire United States. Portland’s reputation as a leader in environmental sustainability efforts continues. 

Portland’s Phases To Implement Almost 100% Renewable Diesel

What makes Portland’s mandate unique is the requirement that the biofuels have a CO2 value so low it bars most American made biodiesels. The blending requirement starts at 15% in 2024, and then it will steadily increase to 50% by 2026 and will reach 99% by 2030. This schedule demonstrates how Portland’s low-carbon ambition is present to transition away from fossil fuels and promote alternative energy sources.

This policy is expected to reduce air pollution and carbon emissions. It will also create new markets for biofuels, which will lead to increased economic opportunities. This will ultimately help the city become a more sustainable and environmentally friendly place to live as Portland has taken the lead in striving for sustainability over the years.

The policy will also help create jobs in the biofuel industry and provide opportunities for businesses to switch to renewable energy sources. It will also help reduce the city’s dependence on fossil fuels and protect the environment for future generations.

Want to learn more about meeting Portland’s requirements for the Renewable Fuel Standard mandate?

Contact Us
landscape view of Mount Hood representing Star Oilco’s fuel delivery service area in Oregon

Focus on Lower-Emission Biofuels

Uniquely, Portland’s RFS goes beyond just the biofuel blend. It also sets a strict carbon intensity (CI) standard for the biofuels themselves. This ensures the biodiesels used have a significantly lower carbon footprint compared to traditional options. Biodiesels produced domestically often fall short of this CI requirement, prompting many suppliers to look to renewable diesel sources. This focus on biofuels with a lower lifecycle carbon footprint makes Portland’s RFS even more impactful in reducing greenhouse gas emissions.

Iconic Portland sign on Broadway at dusk with city buildings in the background

Exemptions and Implementation Details

The initial phase of the RFS targets on-road diesel sales. This applies to diesel purchased at gas stations, by mobile fueling companies, and for use in large stationary tanks. However, the long-term goal includes all diesel use within the city. Some temporary exemptions apply to off-road diesel uses such as heating oil, generator fuel, aircraft fuels, watercraft fuels, and other dyed fuel users. One local truck stop, Jubitz Truckstop, was granted a temporary exemption. This is likely due to concerns about disrupting critical transportation operations. Daimler (the manufacturer of Freightliner and Western Star trucks) has a research facility in Portland. Daimler was also granted an exemption to meet their specific fuel needs for testing purposes. 

The RFS enforces compliance through fuel sampling and requires documentation proving the fuel meets the minimum biofuel content and CI standards. Businesses that purchase diesel need to be able to show their compliance through bills of lading (BOLs) or similar records from their fuel provider, like Star Oilco. If a business does not comply and provide this documentation, it can result in pretty hefty fines. First offenses can be a fine of $10,000 per day. Repeat offenders will end up facing even bigger penalties of up to $15,000 per day. These fines can really show the impact of how serious Portland is taking this initiative. 

Looking for compliant aircraft fuels in Oregon? Explore Star Oilco’s aviation fuel solutions: Sustainable Aviation Fuel | Jet A Fuel

Impact on Businesses and Consumers

While residential consumers who don’t purchase diesel directly are not directly impacted, businesses purchasing diesel, especially in bulk, will need to adapt to the new regulations. This may involve acquiring documentation from fuel suppliers or entering into contracts guaranteeing compliant fuel blends. Wholesale fuel distributors, who sometimes purchase from multiple vendors and blend fuel mid-route, may face additional challenges in tracking the biofuel content and CI of their product. However, as the program matures, the industry is expected to adapt and streamline these compliance procedures.

Contact Us Today To Discuss What This Means For Your Business

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A Step Forward for Cleaner Transportation

Portland’s ambitious RFS sets a new expectation for sustainable transportation. Promoting low-carbon biofuels allows Portland to aim to significantly reduce its reliance on fossil fuels and be able to contribute to cleaner air for its residents. The RFS program will be able to serve as a model for other cities that are looking at implementing similar initiatives. Great job Portland for paving the way to a sustainable future for other cities! Although challenges will remain, as businesses adapt to this new norm, Portland’s RFS represents a significant step forward in creating a more sustainable transportation sector.

The RFS program is an important step in the fight towards sustainability and lower carbon fuels. It sends a clear message that cities are willing to take action to reduce emissions and protect the environment. We anticipate that other cities will follow Portland’s lead and create similar initiatives. This will have a significant impact in reducing emissions and helping to protect the environment.

It is a positive step towards a more sustainable future. Alternative fuels have become more and more readily available. Investing in alternative fuels and reducing carbon emissions is essential for protecting the planet for future generations. Governments should prioritize investing in renewable energy sources and incentivize communities to switch to alternative fuel solutions.

Thank you for choosing Star Oilco as your preferred fuel provider in Portland and Vancouver, Washington. Give us a call to discuss how the RFS mandate can affect your business and one of our team members would be happy to discuss this with you.

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Golden diesel fuel swirling in abstract motion
Star Oilco Diesel Fuel Quality Assurance 1024 574 Star Oilco

Star Oilco Diesel Fuel Quality Assurance

                                 Star Oilco Diesel Fuel Quality Assurance

 

Diesel Fuel Tank Cleaner

 

  • Diesel Fuel Is Often A Company’s Largest Expense. Unfortunately, there is very little control over its quality.
  • Fuel Quality Has Declined over the last 25 years…
  • Engine manufacturers have tightened the tolerances for fuel
  • Newer tier 4 engines starting from 2008 need cleaner fuel

 

“Over the last two decades, the cetane number and the API gravity, the basic measures of crude oil quality have declined.”

 

—Society of Automotive Engineers, (SAE) Bulletin 872243

 

Cetane number is actually a measure of a fuel’s ignition delay. This is the time period between the start of injection and start of combustion (ignition) of the fuel. In a particular diesel engine, higher cetane fuels will have shorter ignition delay periods than lower cetane fuels.

What is a typical API gravity for diesel fuel? The classic book “Petroleum Refinery Engineering” by W.L. Nelson (4th ed., McGraw-Hill, 1958) gives numbers ranging from about 25 to 40 (with “Grade 1-D” around 40 and “Grade 2-D” around 35). In a Web search using the keywords “diesel” and “API gravity” I found a couple of sites with specs for #2 diesel fuel; these had minimum values of 26 and 30 API gravity. So a reasonable guess would be that typical #2 diesel fuel would have an API gravity of about 35; I’ll let you plug that into the above formula to get the specific gravity.

The densities of petroleum products are traditionally (especially in the U.S.) expressed as “API Gravity” The API Gravity is related to the specific gravity by the equation: API = (141.5/SPGR) – 131.5, where the specific gravity is the density relative to that of water and everything is measured at a temperature of 60 degrees F.

MadSci Network © 1997, Washington University Medical School

“Diesel fuel quality has deteriorated for the past 20 years and is expected to continue this trend for the foreseeable future.”

American Society for Testing and Materials, (ASTM) Pub. # 10056

 

COMMON PROBLEMS WITH 21st CENTURY DIESEL FUEL IN THE PACIFIC NW

Fuel Quality Deterioration

industrial-townProblem 1

 

Problem 2

 

Problem 3

Problem 6a

 

 

Problem 4

 

Problem 4a

 

 

Problem 5

Problem 3b

Problem 6

The odds are stacked against the fleet owners

what can be done to help alleviate or control the problems?

you have questions, we have the solutions, call us to find out.

 CAll Today

If you have bulk fuel storage, the first step is testing your tank bottom and what is coming out of the nozzle.  Star Oilco can do a complementary ASTM and ISO specification analysis of your diesel fuel.  If you are seeing recurring fuel system issue, the first step is to make sure your bulk storage isn’t the problem. We can help.

Tank Testing Form

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Blue diesel exhaust fluid DEF cap and reservoir
Diesel Exhaust Fluid (DEF) Quality, Storage, and Future Considerations 1024 1024 Star Oilco

Diesel Exhaust Fluid (DEF) Quality, Storage, and Future Considerations

Have you ever noticed that Diesel Exhaust Fluid (DEF) often lives in the background until suddenly it’s the reason your fleet can’t meet emissions standards or a system clogs up? DEF quality and storage isn’t just technical noise, it’s vital for keeping your SCR system happy and your operations rolling smoothly. We want to share with you what makes DEF high quality, the best ways to store it, and what trends are shaping its role in diesel emissions systems moving forward.

Diesel Exhaust Fluid (DEF) is a crucial component in modern diesel engines equipped with Selective Catalytic Reduction (SCR) systems. While many fleet operators are familiar with its basic function of reducing nitrogen oxide (NOx) emissions, understanding the intricacies of DEF quality, storage, supply chain considerations, and system maintenance can help businesses optimize efficiency and avoid costly repairs. At Star Oilco, we provide fleets with the knowledge and resources needed to navigate these complexities. This guide will explore the advanced aspects of DEF, from maintaining quality and ensuring proper storage to understanding emerging trends in emissions technology. 

Understanding DEF Quality and Purity 

 The quality of DEF plays a significant role in the performance and longevity of an SCR system. DEF must adhere to ISO 22241 standards, which regulate its composition, concentration, and purity. Using non-compliant DEF can lead to injector clogging, crystallization, and system failures. Even small amounts of contaminants such as dirt, fuel, or water can negatively impact DEF performance and damage expensive SCR components. 

To ensure DEF meets the necessary standards, regular testing should be performed. Refractometers can measure the urea concentration to verify the correct 32.5 percent solution. DEF testing strips can detect impurities, while more advanced lab analysis can help diagnose performance issues related to fluid quality. Purchasing DEF from a reliable, ISO-certified supplier is the best way to avoid contamination and maintain compliance. 

DEF Storage Best Practices to Prevent Contamination 

Proper storage is essential for maintaining DEF integrity. Temperature control is a key factor, as DEF should be stored between 12 and 86 degrees Fahrenheit to prevent degradation. Freezing does not damage DEF, but extreme heat can cause evaporation and reduce its effectiveness. To minimize exposure to environmental factors, DEF should be stored in opaque, UV-resistant containers to prevent sunlight from breaking down its chemical properties. 

Choosing the right storage material is also critical. DEF should be kept in plastic or stainless steel containers, as certain metals such as aluminum, copper, and zinc react with DEF, leading to contamination. Additionally, keeping storage containers sealed will prevent air exposure, which can introduce dust or debris. Managing inventory efficiently is another important aspect of storage. DEF typically has a shelf life of 12 months, but in warmer climates, its lifespan may be reduced to six months. Using a first-in, first-out (FIFO) inventory approach ensures that older stock is used before it degrades. 

Regular inspections and cleaning of storage equipment are also recommended to maintain DEF purity. Be sure to check for residue buildup, leaks, or any signs of contamination in tanks, nozzles, and dispensing systems. Training staff on proper handling procedures can further reduce the risk of accidental contamination. By taking these proactive steps, you can ensure your DEF stays clean, effective, and ready to support emissions compliance.

DEF dispensing station pump showing control panel, hose, and DEF push button

How Temperature Affects DEF Performance 

Temperature fluctuations can significantly impact DEF performance. In cold climates, DEF freezes at 12 degrees Fahrenheit, causing operational challenges for fleets. While frozen DEF does not degrade, it must be properly thawed before use. Heated DEF dispensers and insulated storage solutions can help prevent freezing issues in extreme weather conditions. It is important to avoid adding water to thaw frozen DEF, as this disrupts the precise urea concentration and compromises its effectiveness. 

On the other end of the spectrum, high temperatures can cause DEF to degrade. Exposure to prolonged heat above 86 degrees Fahrenheit can lead to evaporation and an increase in urea concentration, which may result in improper dosing and SCR malfunctions. Storing DEF in shaded or climate-controlled areas can help mitigate heat-related degradation. Seasonal changes also impact DEF consumption rates, with colder temperatures often leading to increased DEF usage as SCR systems adjust to lower combustion efficiencies. 

DEF Supply Chain Considerations 

DEF relies on a stable global urea supply, making it susceptible to market fluctuations. Since urea is also used in fertilizer production, shifts in agricultural demand, export restrictions, and production slowdowns can lead to price increases and supply shortages. In times of high demand, fleets may struggle to secure sufficient DEF, leading to increased costs and operational challenges. 

To avoid supply disruptions, fleet operators should consider strategic sourcing options. Establishing relationships with reliable DEF suppliers and securing bulk deliveries can help mitigate the risk of shortages. On-site DEF storage solutions can also provide a buffer against market volatility, allowing businesses to maintain an adequate supply without relying on just-in-time purchasing. Planning ahead for seasonal or industry-wide fluctuations in DEF availability can help fleets remain operational without unexpected expenses. 

The Economics of DEF for Fleet Operations 

DEF consumption is directly tied to diesel fuel usage, with most fleets using approximately two to three percent DEF per gallon of diesel burned. Understanding this ratio allows businesses to budget accordingly and monitor costs. Optimizing fuel efficiency can also lead to lower DEF usage, as well-maintained engines operate more efficiently and require less NOx reduction. 

Using high-quality DEF prevents costly maintenance issues. Non-compliant or contaminated DEF can cause injector clogging, pump failures, and SCR system malfunctions, resulting in expensive repairs and downtime. Some manufacturers void engine warranties if improper DEF is used, making it even more important to source DEF from a certified provider. Preventative maintenance and regular DEF quality testing can help fleets avoid hidden costs associated with poor-quality fluid. 

DEF System Failures: Causes and Prevention 

Common DEF system failures can be traced back to improper handling, storage, and contamination. Crystallization, for example, occurs when DEF is exposed to air and loses moisture, leaving behind solid urea deposits that can clog injectors and sensors. Contaminated DEF can lead to buildup in the SCR system, affecting performance and triggering warning lights that may lead to vehicle derating or shutdown. 

Preventing DEF system failures requires proactive maintenance. Regularly flushing DEF tanks, inspecting nozzles for blockages, and ensuring proper storage conditions can help prevent these issues. Using ISO-certified DEF from a trusted supplier also reduces the risk of contamination. Scheduled maintenance checks and SCR system inspections allow fleet operators to address minor issues before they escalate into costly repairs. 

The Future of DEF and Emissions Technology 

As emissions regulations continue to evolve, the role of DEF in diesel technology is likely to expand. The Environmental Protection Agency (EPA) continues to push for stricter NOx reduction targets, which may lead to advancements in SCR systems and increased DEF usage. Some manufacturers are exploring alternative NOx-reduction methods, such as ammonia-based catalysts or hydrogen fuel cell technology, but DEF remains the most effective solution for modern diesel engines. 

While DEF will remain a key component of emissions compliance for the foreseeable future, fleet operators should stay informed about regulatory changes and advancements in emissions technology. Investing in high-quality DEF and optimizing storage and usage practices will help businesses stay ahead of evolving environmental standards. 

DEF Myths and Misconceptions 

Several misconceptions about DEF persist, leading to improper use and maintenance practices. One common myth is that water can be added to DEF in emergencies. This is incorrect, as dilution disrupts the precise 32.5 percent urea concentration, rendering it ineffective and potentially damaging the SCR system. 

Another common belief is that DEF improves fuel efficiency. While DEF itself does not enhance fuel economy, it allows for optimized engine performance by reducing backpressure in the exhaust system. This results in better combustion efficiency, which can lead to slight improvements in fuel usage. 

A final misconception is that DEF does not expire. In reality, DEF has a shelf life and degrades over time, especially when exposed to heat or contaminants. Proper storage and inventory management are essential to maintaining DEF quality. 

How Star Oilco Ensures High-Quality DEF for Customers 

Star Oilco provides high-quality, ISO 22241-certified DEF to ensure fleets remain compliant and operational. Our bulk DEF delivery services allow businesses to secure a reliable supply, reducing the risk of shortages and minimizing costs. We also offer on-site DEF storage solutions to help fleets manage their inventory efficiently. 

In addition to supplying high-quality DEF, we assist customers with DEF system maintenance, testing, and best practices to ensure long-term reliability. With our commitment to quality and service, Star Oilco is the trusted partner for businesses looking to optimize their DEF usage and reduce the risk of SCR system failures. 

We also help customers stay up to date on regulatory changes and evolving DEF standards to ensure full compliance. Whether you’re a small fleet or a large operation, our team is ready to tailor a DEF solution that meets your specific needs.

Diesel exhaust fluid DEF fill cap on diesel vehicle

For more information on our DEF solutions, contact Star Oilco today to learn how we can help keep your fleet running efficiently while meeting emissions compliance standards. 

Contact Us Today

Frequently Asked Questions

What exactly does DEF do in my diesel engine?

DEF (Diesel Exhaust Fluid) is injected into the exhaust stream of modern diesel engines equipped with Selective Catalytic Reduction (SCR) systems. It reacts with exhaust gases to convert harmful nitrogen oxides (NOx) into harmless nitrogen and water vapor. This process dramatically cuts emissions, keeping your fleet compliant with strict EPA standards.

How long does DEF last in storage?

Stored properly, DEF generally has a shelf life of up to 12 months. However, exposure to heat can shorten this to 6 months or less, especially in warmer climates. That’s why using a first-in, first-out (FIFO) system is crucial. It ensures older DEF is used before it degrades, protecting your SCR systems from concentration issues that could cause costly repairs. 

How much DEF does my fleet actually use?

Most fleets use about 2-3% DEF relative to diesel fuel burned. That means for every 100 gallons of diesel, you’ll consume roughly 2 to 3 gallons of DEF. Knowing this ratio helps you forecast DEF needs alongside your fuel budgets.

Does DEF improve my fuel economy?

Not directly. DEF doesn’t boost fuel economy on its own. However, by reducing exhaust backpressure through the SCR process, your engine can operate more efficiently, which may lead to slightly better combustion and fuel performance over time. 

Can DEF expire even if it’s stored properly?

Yes. DEF naturally degrades over time, even under ideal conditions. Keeping it cool, sealed, and protected from UV rays slows this process, but eventually it ages out. That’s why FIFO inventory management and routine checks of DEF age are important to avoid using degraded product.

Why does DEF usage increase in colder weather?

Colder temperatures can make diesel engines burn less efficiently, leading the SCR system to dose more DEF to keep NOx emissions in check. This seasonal variance is normal, but it means winter months may see DEF usage spike slightly higher than your average.

How might future EPA emissions standards impact my DEF usage?

Regulations on NOx emissions are only getting tighter. This means future SCR systems could demand even more precise DEF dosing, or fleets might see an overall increase in DEF consumption. Staying committed to quality DEF, proper storage, and system maintenance now will help keep you ahead of regulatory curves and avoid penalties later.

How does Star Oilco help prevent costly DEF-related issues?

We supply only ISO-certified DEF, deliver it in bulk or packaged form, and provide on-site storage solutions to keep your operations protected. Our team also supports customers with DEF quality testing, maintenance guidance, and proactive system checks to help you avoid breakdowns, warranty headaches, and surprise costs.

Star Oilco truck refueling off-road diesel at a job site in Portland OR
Every Question We Have Been Asked About Renewable Diesel 1024 768 Star Oilco

Every Question We Have Been Asked About Renewable Diesel

Renewable Diesel Frequently Asked Questions (FAQ)

Every Question we have been asked about Renewable Diesel

What is renewable diesel?

Renewable diesel is a synthetic diesel fuel, known for it’s lower CO2 characteristics, typically seeing purity and real world performance response superior to petroleum diesel fuel.  Renewable diesel is a next generation hydrocarbon diesel biofuel made by either the Fischer-Tropsch or Hydrogenation processes.

Hydrogenated renewable diesel is made by taking fats, oils, and greases by use of a hydro-treater.  The biomass based oil or fat is cracked and reformed in the presence of hydrogen and  catalyst forming a hydrocarbon diesel molecule.

Fischer-Tropsch renewable diesel is used by converting any btu dense feedstock (wood waste, woody biomass, municipal garbage, coal, and an endless list of low value waste products into syngas, then converting this into a wax that is reformed into hydrocarbon diesel.

Is it true that Renewable Diesel reduces CO2 emissions by more than half?

It depends on the feedstock and processes that determine the fuel pathway.  But for the most part it is safe to presume that if you use a R99 Renewable Diesel product in Oregon that it will have a lower than 50CI which would cut the CO2 emissions in half versus an equivalent gallon of gasoline used.  Sometimes Renewable Diesel can be blended with fossil fuel diesel as well as biodiesel.  Star Oilco currently presumes 99% renewable diesel is the fuel being used when describing Renewable Diesel and “cutting emissions in half” as a claim, backed up by the scientific data associated with the Oregon Clean Fuels Program and its pathways.

According to the Oregon Clean Fuels Program list of pathways for Renewable Diesel approved to be sold in Oregon shows the lowest CO2 value to be 16.36 CI and the highest to be 65CI.  Most, nearly all, of the Renewable Diesel pathways in Oregon are below 50% reduction in CO2 emissions associated with the fuel.  You can see these by reviewing the downloadable spreadsheet of “Fuel Pathways – Carbon Intensity Values” available on the left hand side of the Oregon Clean Fuels Program website under the heading “Participating Facilities” as an easy sharable link is not available.

To learn more about this please see the Oregon Department of Environmental Quality’s Clean Fuels Program page where CO2 emission pathways are disclosed for renewable fuels distributed in Oregon.  The system used to measure CO2 emissions and reduction is a modified Oregon “GREET” model.  GREET stands for Greenhouse gas, Regulated Emissions, and Energy Use in Technology. The GREET scientific system to review CO2 emissions was developed by the US Department of Energy and similar systems are used by California and Washington in their Low Carbon Fuel Standards as well.

Is HVO or Hydrogenated Vegetable Oil the same as Renewable Diesel?

Yes.  HVO is either R100 or R99 renewable diesel. The reason you will hear the phrase HVO or Hydrogenated Vegetable Oil instaed of renewable diesel is that the regulations and various incentives for renewable diesel have restrictions.  If renewable diesel is used in stationary power generation it is treated differently for the various subsidies and incentives.  The regulations on fuels for vehicles and equipment differ compared to utility scale power generation.  For this reason the power generation industry will refer to renewable diesel as “HVO” to denote it’s end use.

Is Sustainable Aviation Fuel or “SAF” the same as Renewable Diesel?

No.  Sustainable Aviation Fuel or “SAF” is a Jet A specification or a Number 1 diesel fuel. A Number 1 diesel fuel can be mixed with Number 2 without impacting it’s specification requirements.  Number 1 though cannot be mixed with Number 2 diesel weights and stay in specification.  It is a lighter end than Number 2 diesel meaning it has a different specific gravity weight of the fuel.   So in short SAF can be used as Renewable Diesel but has a much higher standard to meet than is required for Renewable Diesel. Therefore the products are very different based on this need for quality assurance to meet the aviation jet fuel specification.

There is a huge demand for Sustainable Aviation Fuel and many of the current Renewable Diesel plants in operation are upgrading their technology to make SAF.  It is expected that in the hydrotreating processes to make renewable diesel and SAF, the Jet A fuel specification is a harder one to produce.  So as the refining of SAF increases we will expect to see subgrade SAF (product made to be SAF that does not meet the standard) be moved to the Renewable Diesel market.  We will not see Renewable Diesel being used in jets though.

Can Renewable Diesel be used as Heating Oil?

Yes.  Renewable Diesel is a synthetic hydrocarbon diesel fuel.  It can be used interchangeably with petroleum diesel products of similar grade. Heating Oil is typically number 2 diesel which is the same specification as Dyed R99 Renewable Diesel (or blends of Renewable Diesel with petroleum diesel).   Star Oilco now offers R99 Heating Oil delivered in the Portland metro region area of Oregon.

Most modern oil heat appliances use a Becket Burner.  For more on heating fuel compatibility with oil furnaces and oil burning appliance please see “Alternative Fuels and Becket Burners” for more information.

Why do people use renewable diesel over petroleum diesel?

Fleet managers operating R99 Renewable Diesel report a lower mechanical cost of operation using the fuel.  Beyond the immediate benefit of R99 cutting CO2 emissions by half or more, fleets experience performance benefits from the fuel.  The big savings are seen the the performance of Tier 4 Emission systems on modern diesel seeing far less wear of the Diesel Particulate Filter system as well as far fewer regenerations of the system.  Additionally Renewable Diesel is a very clean and dry diesel fuel improving the storage stability, field operation, and general predictability of the fuel’s performance.

How do I know Renewable Diesel is being sold at a retail location?

Renewable Diesel is a hydrocarbon diesel that meets the specification for petroleum diesel known as ASTM D975 specification.  This means currently R99 can be readily blended and sold with petroleum diesel without a disclosure.  The US Federal Trade Commission and local state Weights and Measures have rules for retail pump labeling.  Blend percentages of biomass based diesel must be labeled especially if being advertised.  As R99 Renewable Diesel has a higher value and is sought out by many consumers though usually it is disclosed.  The pump labeling for R99 Renewable Diesel typically looks like the below.

R99 Renewable Diesel fuel dispenser label

What is renewable diesel made of?

Renewable diesel can be made from a host of things, usually a low value waste product. The most common feedstock used currently is waste vegetable oil, wastes from animal rendering, and other biologically derived oils. Processes using bio-oils are following a Hydrogenation process to turn low value waste oils into high value diesel and jet fuel.

Chevron Renewable Energy Group and Diamond Green Diesel (Diamond Green is in a joint venture with Valero) are the largest producer of renewable diesel with their REG Ultra Clean Diesel product in the United States. Neste is the largest producer of renewable diesel internationally, with its “Neste My” product.  being the two largest producers of low CO2 bio-oil derived renewable diesel fuels.

Major petroleum refiners have also turned around existing petroleum refineries into Renewable Diesel Refineries to produce this in demand low CO2 fuel. HF Sinclair , Marathon, Phillips 66, and Montana Renewables. There are quite a few newer Renewable Diesel projects planned and in progress around the United States as well as in the Pacific Northwest.

Other refiners of renewable diesel (on a much smaller scale of production) are using a Fischer-Tropsch process with wood waste, sorted higher grade municipal garbage, and other high btu value carbon based waste products.  Many expect this to technology to be the future of all diesel and jet fuel refining turning refuse into fungible low carbon fuel.

What is renewable hydrocarbon diesel?

Renewable hydrocarbon diesel is a synthetic diesel fuel made from non-petroleum feedstocks like vegetable oil, animal fats, municipal waste, agricultural biomass, and woody biomass. It is characterized by having a low CO2 and renewable resource for its feedstock and is made without crude petroleum, coal, or natural gas as a direct feedstock input in the refining process.

How do they make renewable diesel?

Renewable diesel is made by several processes. If you are buying renewable diesel, it is probably from a Hydrogenation process used by Renewable Energy Group and Neste for their products. Other smaller volume producers are using a Fischer-Tropsch process or Fast Pyrolysis. Both processes involve taking energy dense molecules, cracking those molecules under heat and pressure, then reforming them in the presence of a catalyst and added hydrogen, which forms a renewable diesel molecule.

Is renewable diesel a lower carbon fuel compared to petroleum diesel?

Yes, to this point all renewable diesel made from renewable feedstocks have appeared to be a lower CO2 fuel compared to petroleum diesels. The California Air Research Board in particular has done research on this in depth.

The low CO2 lifecycle emissions of Renewable Diesel also is tracked closely and supervised by California’s Low Carbon Fuel Standard, Washington’s Low Carbon Fuel Standard, and Oregon’s Clean Fuels Program. The highest value markets for low CO2 fuels in the United States are California and Oregon, which both have mechanisms that track and price the CO2 intensity of diesel fuels as well as the sustainable lower CO2 substitutes and blend-stocks that can go in those diesels. They track, rate, and determine the carbon intensity of the fuels providing a neutral and scientifically defensible number for CO2 reduction.

Is renewable diesel available in Oregon?

Renewable diesel is readily available for delivery from Star Oilco throughout the Pacific Northwest via 10,000 gallon volumes of bulk delivery.   Star Oilco is also offering bulk delivery of any size and mobile onsite fueling service within 100 miles of the Portland, Oregon market.

Star Oilco has R99 Renewable Diesel available with a Star Oilco CFN Cardlock card in Portland, Oregon.

What is the difference between biodiesel and renewable diesel?

Biodiesel and renewable diesel are very different fuels made with very different processes. In a nutshell, biodiesel is made with a simple chemical reaction that turns vegetable and animal fats into fuel. Renewable diesel is made from far more complicated process where vegetable and animal fats (as well as other feedstocks) are cracked on a molecular level and built back into synthetic diesel fuel.

What is the difference between renewable diesel and Sustainable Aviation Fuel?

The difference between the fuels is the specific gravity and general specification for what the fuel is used for. Jet fuel, or Sustainable Aviation Fuel, and on-road diesel fuel are different fuels and therefore have different specifications. Renewable diesel is typically referring to a #2 diesel specification for on road diesel use.

Sustainable Aviation Fuel or “SAF” is typically referring to “Jet A” or “JP8” jet fuel specification for fuel. This is a #1 diesel range fuel with use and handling requirements that are far more stringent than for on-road or off-road diesel fuels. Renewable jet fuel can be used as a kerosene or #1 diesel fuel but renewable diesel cannot be used as a jet fuel.

Where do I buy renewable diesel in Oregon or Washington?

Renewable Diesel is currently available for bulk delivery and mobile onsite fueling. It will soon be offered at commercial cardlock in the Portland area. It is being sold as R99 and as Ultra Clean Diesel, which is a mixture of biodiesel, renewable diesel, and petroleum diesel.

What is R99?

R99 stands for 99% renewable diesel and 1% petroleum diesel.  Federal rules over alternative diesel fuels made fuels requires that manufacturers of non-petroleum derived diesel fuels must blend a minimum 1% petroleum with the fuel to generate a Renewable Industry Number or “RIN” under the US Federal Renewable Fuel Standard. Additionally there are other incentives that require a “blender of record” to receive these tax credits.

Is renewable diesel being made in Oregon?

As of Spring 2022, renewable diesel is not being manufactured in Oregon. There is a major projects underway, Next Renewable Fuels in Port Westward, Oregon.

What is renewable diesel made from?

Renewable diesel can be made from many energy dense carbon based material.  By volume of produced product sold in the United States, vegetable oils and animal fat-based wastes are the most common feedstock. Woody biomass, agricultural wastes, and sorted municipal wastes are also sources for renewable diesel production.

Is renewable diesel made from palm oil?

Palm oil can be used as a feedstock for renewable diesel. There are producers who use palm oil as a feedstock. In the United States, feedstocks and carbon intensity are tracked closely under both Oregon and California’s fuel programs.  You can determine if a supplier is using palm oil as a feedstock through these regulated pathways.

How much does renewable diesel cost?

This is a tough question to answer given there are several markets intersecting.  From the feedstocks to the market demand for the finished product as well as both California and Oregon’s Clean Fuel Standards which place a price on the CO2 intensity of the fuel which reduces the cost of the fuel if consumed in Oregon and California.

It has consistently been trending between the same cost and over $1 a gallon higher than petroleum diesel depending on the state, you buy renewable diesel in. In California, renewable diesel is very close to petroleum diesel depending on the value of CO2 credits for lower-carbon fuels. In Oregon, it has consistently been between $.05 to $.80 a gallon higher than diesel also depending on the value of CO2 abatement associated with the fuel and what these carbon credits are trading for.

When petroleum diesel costs are high Renewable Diesel tends to be more competitive with petroleum diesel.  When petroleum diesel is below $3 a gallon the cost of Renewable Diesel by comparison is usually higher unless CO2 credits are in higher than normal demand for Clean Fuels Program demands.

Can you mix petroleum diesel and renewable diesel?

Yes. Renewable diesel and petroleum diesel can be blended in any mixture without worry. They are drop-in substitutes for each other in your fleet’s use.  Renewable Diesel is a drop-in fuel. It is a hydrocarbon diesel that will work mixed with diesel or biodiesel blends of petroleum diesel.

Green fuel nozzle representing renewable diesel with Star Oilco logo - serving Oregon and Washington fleets.

Learn more about renewable diesel and how it can benefit your operations. Contact us today.

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Get an email every time your fleet stops for fuel 1024 541 Star Oilco

Get an email every time your fleet stops for fuel

                 

Get an Email every time your driver fuels up

–Driver management tools built into a fleet card.

-Fleet card services mean more than just a bill, it is knowing who buys what, when, and where in real time.

-Make sure your Dispatcher on duty gets an email every time fuel is bought in real time.

-Know in real time what your fleet is buying and doing to get ahead of bad decisions.

 

Driver efficiency can drain your profits.  Drivers making the wrong decision about where to buy fuel is also a trainable experience.  Add to that the bad actors who might palm a fleet card.

We give you actionable data in real time as the driver makes a decision.

At those rare moments when thieves creep into your business, we also make sure you see it as it occurs.  This means you can save yourself thousands of dollars in theft before it happens.  Fuel theft usually occurs on the way to work or when bars close.  We make sure you are getting notified at every fuel purchase so you can see the out of place fuel purchase.

Our Pacific Pride cards tie a suite of tools into our E-Receipt tool making sure your team knows who is doing what with your fuel cards.  We also have added tools, if you want them, to turn the cards off by hour of day, days of the week, and by states/zip code protections.  We secure your business from those risks so you can protect yourself from surprises.


Star Oilco provides Pacific Pride fuel card and commercial fueling services.

Knock out fuel theft by knowing what is happening when it happens.

-E-Receipts are a simple tool that allow you total knowledge and control of your fleet’s fueling.

Managing a fleet is an orchestra of well organized chaos.  Your driver’s decision making, unforgiving customer needs, the randomness of traffic all merge into the daily life of a fleet.  Star Oilco can provide you a very simple tool to help you seize control of where, when and who makes fuel purchasing decisions.  The Star Oilco Pacific Pride card can provide an email notification every time fuel is bought notifying your team so that your fuel policy can be managed in real time.

Control the fuels they can buy, the zip codes they can buy fuel in, limit the quantity of fuel, windows of time to buy fuel (so after hours a borrowed card cannot be use), and get an email after someone gets fuel. Manage your driver’s habits as things happen.

Email notification of who, where, and what fuel was purchased after it occurs.

Many fleets have policies of when and where to fuel.  Avoiding high cost retail pumps, the nearly $.50 fuel higher tax difference for an Oregon fleet buying in Washington state, or if you use wet-hose mobile fueling to save labor and depend on a gallon quantity for a discounted price.  A driver not following your policies is very expensive.

With Pacific Pride’s e-receipt at time of transaction you will have instant confirmation, not month end audits.

Regardless of coaching and communicating often drivers have a habit of departing from even the best managed fleet’s policies.  Knowing the moment this happens can make all the difference.  It also has an added benefit of keeping people from even contemplating fuel theft as the transaction and who the offender is will be immediately noted.

Imagine it.  Your driver stops out of route for fuel, shortly after a text from dispatch asks why?   As you discuss the fuel stop with the wayward driver, they will forever and always think twice before stopping out of route again.

Know who stopped for fuel in real time. 

Get started below.

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Fuel bill audit best practices

Read more on how a Fuel Audit can help your business control fuel costs and demystify what and how you are buying fuel.  Find out what’s in a Star Oilco “Keep it Simple” Fuel Audit.

For a strategy on using Fleet Cards as a human resource management tool to stop fuel theft in your business see the Star Oilco white paper on Stopping Fuel Theft in your Business.

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Make And Keep Your Diesel Fuel Much More Clean 1024 768 Star Oilco

Make And Keep Your Diesel Fuel Much More Clean

                               Make And Keep Your Diesel Fuel A Lot More CleanClean, dry, premium diesel

What is Clean Diesel? 

Clean diesel is free of the contaminants that harm modern diesel engines. Today, there is a gap between ASTM diesel standards and the ISO cleanliness standards needed for use in high pressure common rail engines. Anyone operating a modern clean diesel engine is seeing the effect, including injector replacement, DPF regeneration, and a host of other fuel quality related maintenance concerns we never saw twenty years ago. On top of all of that, today’s refined diesel fuels are less storage stable than ever before. What is on the bottom of your bulk tank can also complicate matters further. When diesel is bought wholesale, it typically meets and exceeds ASTM required industry standards, but almost always requires additional filtration to avoid excessive engine wear and premature part failures.

Having clean diesel requires an additional amount of care. Namely, you need to make sure that the fuel is aggressively filtered at 4 microns to catch the microscopic particles that are big enough to damage your modern diesel engine’s high pressure fuel rail system. Furthermore, clean diesel is fuel that is free of water and stabilized with Premium Diesel to guarantee no bacteria, yeast and other creatures can grow and further contaminate the saddle tanks on your trucks.

For more on clean diesel, see Donaldson’s description of “The New Clean” for an in-depth explanation of what ISO cleanliness and filtration mean for your diesel fleet.

Making Diesel Cleaner!

Knowing the quality of your fuel is the first step. This is done by taking samples off of the bottom of your bulk storage, as well as a representative sample from your fuel dispenser. Lab tests of those samples will tell you if you have water, biological growth, or dirt issues with your storage. The contaminants in the tank being sampled are almost always visible, which is to say that they look horribly ugly. If your fuel quality assurance has been on autopilot, do not be surprised if you find this. After gathering knowledge about your fuel, the next step is to get your fuel quality clean.

Filtration and tank bottom sampling is the start. Beyond that, the only way to improve your fuel quality performance is to filter your fuel, ensure water is not getting into the tank through condensation, and additize it with a Premium Diesel additive to upgrade the performance of the fuel. Many fleets today are seeing injector wear and continual problems with particulate trap maintenance. This is a combination of water in fuel and microscopic particles not captured by a 10 or 30 micron filter used at most diesel dispensers. You have to filter more aggressively than this.

Clean, Dry, and Premium Diese

Where To Start?

The first step is sampling your bulk diesel tank. We check your bulk tank for water and dirt to make sure and meet the specifications your engine is built for. Star Oilco can help by providing a complementary diesel test for those fleets interested in taking control of their fuel quality assurance. Usually when testing fuel, we take a sample off of the tank bottom as well as a representative sample out of the fuel dispensing nozzle.

What we usually find is ASTM specification diesel fuel (it meets ASTM spec) that is higher than you’d want (still in spec) for water with far more dirt than the OEM’s would want to see in your engine. This dirt fails to be within the “ISO Cleanliness” specifications recommended by engine manufacturers. Usually, we also see water on the bottom of the fuel tank, which is a likely source for future or current biological growth in your fuel tank.

Star Oilco can help you fix this! The first step is to sample your fuel tank.

NOTE: If you have a current biological growth problem in your bulk fuel tank or fleet, your first step is to treat that effected fuel with a diesel microbiocide to kill the bugs growing in your tank. For more on this, see our Valvtect Plus 6 Diesel Microbiocide page.

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Oregon: The Next Generation Of Diesel 1024 683 Star Oilco

Oregon: The Next Generation Of Diesel

B99 and R99 Biofuels are the alternatives to petroleum diesel in Oregon

Oregon bans the sale of petroleum diesel, a rapid transition to biofuels such as renewable diesel and biodiesel are happening.

 

Oregon HB3305 explained

 

 

HB 3305 Petroleum Diesel ban

In Oregon, HB3305 is a House Bill proposed by Representative Karin Power outlaws the sales of petroleum diesel to the public for use in motor vehicles.  HB3305 quoted below:

“Prohibits retail dealer, nonretail dealer or wholesale dealer from selling petroleum diesel for use in motor vehicle on or after specified dates. Requires public improvement contract to require that motor vehicles be powered by fuel other than petroleum diesel. Prohibits public body from using petroleum diesel in motor vehicle under control of public body”

The full text of the current version of HB3305 can be seen here.

HB 3305 mandates non-petroleum diesel be the only legal fuel for sale to diesel powered motor vehicles in Oregon.

Star Oilco has customers ask about this proposal and how real it is?  In Oregon the focus on low CO2 fuels in the legislature is so consistent we can expect this to not go away.  Even if HB 3305 does not move this Legislative session, this will not be the last of biofuel mandates.  For this reason Star Oilco has been working to be ahead of the curve with non-petroleum diesel substitutes. Star Oilco has been selling B99 biodiesel since 2002 and renewable diesel since 2015.  If your fleet has an interest in learning more about low CO2 fuels or try these fuels, Star Oilco is ready to serve you with both R99 renewable diesel and B99 biodiesel.

News coverage of Oregon HB 3305 is below

The Center Square’s Oregon, whose coverage of this has been syndicated to many other online news organizations, lead with the headline: Bill in the Oregon Legislature would ban diesel fuel sales by end of decade.

CDL Life had this to say: The bill would begin to ban the sale of “petroleum” diesel by “non-retail dealers” as soon as 2024 in Clackamas, Washington or Multnomah counties and state-wide by 2027.

Landline as well has following the story: Oregon bill would ban petroleum diesel. Later in the article they add this to the background of HB 3305’s origin: Power said in a statement that her goal is to phase out petroleum-based diesel and replace it with renewable diesel. She says she introduced the bill on behalf of Titan Freight, a local trucking company she says has already transitioned to renewable diesel.

KXL covered this local news quoting Oregon State Representative Shelly Boshart-Davis, a legislator who owns a trucking company and actually buys quite a bit of petroleum diesel.

Lars Larson radio interviews Rep. Shelly Boshart-Davis about HB 3305.

KQEN news radio in Douglas County also covered it with the headline: GOP says supermajority declares war on working class.

The Wildcoast Compass covered the story quoting Rep.Vikki Breese-Iverson (R-Prineville): “There is absolutely no way we can implement this legislation in accordance to these timelines without extreme disruption to Oregonians’ daily lives and the obliteration of our economy as we know it,” 

Oregon Public Broadcasting covered HB 3305 a few days after the bill dropped which might be an indication it’s moving forward. From the story: One bill, House Bill 3305, would set a staggered timeline for ending sales of diesel in the state — first in the Portland area, then throughout Oregon. Its backers hope to spur widespread use of “renewable diesel,” a product with far lower emissions that can be used in any diesel engine. They say the fuel could be an important and near-instant way for the state to cut into greenhouse gas emissions while other technologies emerge.

The Banks Post covered HB 3305 as well with the headline: Diesel fuel under fire in Oregon legislature.

What HB 3305 means in the real world?

HB 3305 means the petroleum diesel used by any commercial vehicles operated on Oregon’s highways will be replaced with biofuels.

Biofuels will replace on-road petroleum diesel at all Oregon:

  • Retail gas stations
  • Trucks stops
  • Commercial cardlocks (Pacific Pride and CFN)
  • Privately owned bulk tanks
  • Mobile on-site fueling (wet hose fueling), and
  • All other bulk deliveries of diesel fuel. Star Oilco wanted to provide more background of what this law would mean for Oregon.  We hope this provides in depth information about what the options are for diesel fuels and a whole host of background information.  The news coverage so far fails to really provide this depth and background for those with concerns.  If you have questions, please do not hesitate to ask. Star Oilco seeks to be a neutral and accurate source of information.

Star Oilco sells renewable diesel in bulk and by our mobile on-site fueling service. It is worth mentioning from our first hand experience that users of it become raving fans.  Renewable diesel is a new fuel that many believe out performs petroleum diesel in every way. Many customers who have used it experienced improvements in horse power, fuel economy, and emission regeneration system performance.

Currently renewable diesel is in extreme high demand, limited production, and commands a high premium over petroleum diesel with few sources of supply.  Renewable diesel has some major backers in the trucking industry as well as OEMs.  As the availability of this next generation fuel grows, the number of plants manufacturing it expands, and it’s price comes down, this type of law may make far more sense.

If petroleum diesel is no longer legal for sale in Oregon, what does that mean diesel vehicles will use?

There are two immediately available diesel rated biofuels that can replace petroleum diesel.  These are two very different fuels. Renewable Diesel and Biodiesel have differences in their properties.  So please don’t confuse biodiesel and renewable diesel as the same fuels.

Biodiesel and Renewable Diesel are very different fuels.

Biodiesel is a proven and longtime available fuel in Oregon.   Biodiesel is not actually a hydrocarbon diesel though, it is a diesel like biofuel made from vegetable oil usually sold in a 5% to 20% blend with petroleum diesel. It is not recommended to run pure biodiesel in late model diesel engines if they have a particulate trap.  This differs from Renewable Diesel which is a next generation synthetic hydrocarbon diesel made from various feedstocks including vegetable oil.  It is actually diesel, it can be used as a pure drop in fuel without any blending with petroleum diesel.

What are non-petroleum diesel fuels?

Oregon HB 3305

Biodiesel or B99 (99% Biodiesel + 1% Petroleum Diesel)

Renewable Diesel or R99 (99% Renewable Diesel + 1% Petroleum Diesel)

Blends of Biodiesel and Renewable Diesel (branded REG UltraClean Diesel)

HB3305 allows for biofuels in replacement for diesel.  We assume that change would be from a current Oregon fuel mandates of B5 or R5 biofuel diesel blend to a B99 or R99 mandated fuel.  Oregon’s biofuel content law can be read at ORS 646.922 and we can assume this would change that to a 99% mandate. Why 99% instead of 100%, that is a good question relating to Federal regulation of the US diesel and gasoline markets.

 

Why does this require a 99% blend (B99/R99) instead of 100% biofuel?

The reason biodiesel and renewable diesel are sold at a 99% blend is because of Federal rules associated with how petroleum companies must handle these fuels.  For this fuel to be used under the US EPA’s Renewable Fuel Standard program biodiesel and renewable diesel must be blended at a minimum 1%.  When fuel is blended at 1% with diesel, the EPA enables it to generate a “Renewable Identification Number” or “RIN” which is regulated to ensure a minimum amount of biofuels is used in the stream of commerce for fuel in the United States.  This Federal program is separate and unrelated to any program in Oregon, though the law recognizes and seeks to align with the framework created by the EPA.

What are the fuels HB 3305 allows to be used by diesel motor vehicles?

The two fuels immediately available if are B99 Biodiesel and R99 Renewable Diesel.

Both of these fuels exist today but have their own drawbacks.  In a nutshell, B99 is not a drop in substitute for petroleum diesel.  It is recommended to be blended at 20% with petroleum diesel (NOTE: B99 biodiesel can be used in modern diesel with an up-fit kit provided by Optimus Technologies).  On the upside, biodiesel is plentiful and competitive with petroleum diesel in cost.  If HB 3305 passed though this plentiful fuel wouldn’t be a ready substitute beyond a 20% blend with renewable diesel or with mechanical changes to existing trucks.  Contrast this with  R99 renewable diesel as a drop in ready to go substitute for petroleum diesel.  It is ready to use without blending, but has the downside of being in short supply and at a cost premium above petroleum diesel.

If Oregon’s over 2,000,000 gallons of diesel usage a day (or 750+ million gallons a year) was mandated to renewable diesel no doubt that premium would probably exceed $2 a gallon over petroleum diesel given R99’s lack of ready additional supply.  This $5 a gallon presumes that Oregon would have to pay more for the existing renewable diesel supply finding it’s way to California with several dollars a gallon of value paid for it’s lower CO2 baseline value.  California has a Clean Fuel Standard and a CO2 Cap and Trade program which provide a monetary value for renewable diesel’s lower CO2 numbers.  Oregon has a Clean Fuel Program as well, but it’s program does not pay as much for low CO2 fuels as California, making low CO2 fuels such as renewable diesel more expensive in Oregon.

B99 Biodiesel in depth.

Blends of biodiesel below 20% are extremely common in Oregon.  All fuel must contain at least 5% biodiesel content and many retail outlets, cardlocks, and major truck stops commonly sell a 10% to 20% blend of biodiesel around the state.

Biodiesel is a diesel like fuel manufactured by a chemical reaction called transesterfication, typically from vegetable oil or recycled cooking oil.  It is made by a relatively simple process and biodiesel has been a proven fuel in use in Oregon for nearly twenty years.  Star Oilco started handling and selling biodiesel in 2002.  Prior to 2007, B99 was commonly used by many commercial fleets due to it’s huge reductions in tail pipe emissions.  Vehicles manufactured after 2007, are clean diesels.  The US EPA required new clean diesel emissions systems which are impressive in their ability to make modern diesel engines extremely clean, but they can only handle biodiesel blends below B20 or 20% biodiesel unless an upgraded system is added.

Today B99 is a possible fuel for a modern clean diesel fleet with an upgrade to existing vehicle fuel supply system.  Optimus Technologies has an approved technology to enable a modern diesel aftertreatment system to operate without problems on B99.   Star Oilco has purchased five of these systems and is currently fielding them in the Pacific NW.  We expect these systems to be mainstream in coming years, but just like Renewable Diesel the technology is newly available and scaling up.

For more information about biodiesel please see our biodiesel FAQ titled Every question Star Oilco has been asked about biodiesel.

If you are interested in using biodiesel in your fleet, you can contact Star Oilco with questions or if you want to start researching we highly recommend starting with this US Department of Energy handbook titled Biodiesel Use and Handling.

 

R99 Renewable Diesel in depth.

Renewable Diesel is a next generation biofuel made from fats, oils, and greases. It is not an alternative diesel, renewable diesel is a petroleum free hydrocarbon diesel fuel. It is diesel! Renewable diesel not only less than half the CO2 of diesel refined from petroleum fuel, but it is cleaner burning and has shown evidence of reducing the cost of maintenance in fleets using it. Renewable diesel is a profound technology which has the potential to use the lowest grade trap greases, sewer materials, rendering wastes, municipal garbage, and a host of other refuse products making them into this high performance, sustainable, low CO2 diesel.

There are two categories of technology that renewable diesel is made from.  Hydrogenation and Fischer Tropsch process.

Renewable Diesel from Hydrogenation or Hydrotreating

Hydrogenation derived renewable diesel is very similar in manufacture to modern petroleum diesel in that the molecules of a the feedstock is cracked and reformed in the presence of a catalyst to form a very specific series of hydrocarbon molecules.  These being diesel and propane range fuels. The feedstocks used by renewable diesel plants are vegetable oils and animal fats.

The hydrotreating plants providing renewable diesel to Oregon currently are Neste from a plant in Indonesia, Diamond Green (in a joint venture with Valero), Sinclair, and Renewable Energy Group. All of these plants are over subscribed and 100% of their production is being taken at a premium primarily by the California low CO2 fuels market.   There are several new renewable diesel plants under way though.  Holly Frontier, Marathon, CVR Energy, and Phillips 66 are converting existing petroleum refineries into renewable diesel plants.  This process costs billions of dollars, will take years to complete, and also will be likely destined for California’s low CO2 fuel market with smaller markets like Oregon being an afterthought.

Renewable Diesel from Fischer Tropsch process.

Currently there are a number of smaller demonstration facilities making renewable diesel from wood waste and other feedstocks.  The largest proposed project currently on the books is Illinois Clean Fuels which will be collocated with major CO2 capture facility making their product negative CO2.  Fischer Tropsch renewable diesel is expected to be the future of refining given it’s flexibility of feedstock.  It’s process enables the use of municipal garbage, agricultural waste, woody biomass, and other low value plentiful materials as feedstock.  Given that the United States is called by some the “Saudi Arabia of garbage” we have plenty of supply waiting for a higher and better use as low CO2 transportation fuel.  Illinois Clean Fuels has a great explanation of how Fischer Tropsch makes renewable diesel and jet fuels.

Where can you get Renewable Diesel in Oregon?

Star Oilco currently is selling R99 Renewable Diesel for commercial use.  We can deliver to fleets seeking it in bulk or mobile onsite delivery (wet hose R99 diesel service began in the Spring of 2021).  Call Star Oilco if you have an interest in Renewable Diesel for your fleet 503-283-1256.

If you have questions about renewable diesel, Star Oilco wants to provide answers.  Feel free to reach out if we do not have the answer we will research it.

For more information about renewable diesel please see our renewable diesel FAQ titled Every question Star Oilco has been asked about Renewable Diesel.

 

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Do Diesel Soaps Cause Engine Problems? 1024 768 Star Oilco

Do Diesel Soaps Cause Engine Problems?

Star Oilco answers: What are Diesel Soaps?

Cliff Burbrink, chemical technology specialist at Cummins Filtration, provides a layman’s definition of diesel soaps:

“Diesel soap is not very different chemically than the soap used to wash your hands. The main ingredient in a bar of soap is formed when lye reacts with fats or oils. Lye is sodium hydroxide.

Fats and oils contain fatty acids. When they react, they form sodium soaps. Diesel soaps are formed from acidic additives in the fuel [such as some corrosion inhibitors and lubricity improvers] reacting with trace amounts of sodium.”

 

Rick Chapman, Industry & OEM Liaison Manager, Innospec Fuel Specialties, adds that acids can be derived also from other sources:

“[Soaps] can also be formed from free fatty acids in biodiesel starting materials and carboxylic acids derived from oxidatively degraded fuel and/or biodiesel.”

 

From a layman’s point of view, then, the formation of diesel soaps is the result of metals, such as sodium, calcium and potassium (in the form of positively charged ions, or cations), reacting with various sources of acid in the fuel.

 

“When these two species [acidic compounds and cations (usually sodium)] come together, diesel soap can form,” says Chapman.

“There are a lot of other factors or variables that can play into it, of course, such as pH, solubility, mixing intensity and so forth—but this is the basis for it. Unfortunately, when these soaps form, assuming they are formed from additives, they make the corrosion inhibitor or lubricity improver inert, and the corrosion or lubricity protection provided by the additive is lost.”

 

 

 Diesel soaps

 

  1. Plug fuel filters
  2. Form injector deposits that lead to over-fueling
  3. Create Turbocharger problems
  4. Generate Oil dilution
  5. Cause Poor performance, and poor fuel economy

 

In a May 2013 report, “Case Study—Impact of Poor Diesel Fuel Quality on an Urban Fleet,” Cummins Filtration investigated problems with diesel engines in a New York City bus fleet.

Complaints ranged from an excessive number of turbocharger fault codes to smoke at start-up to fuel-injector failures. The investigation uncovered excessive soot deposits in the turbocharger, resulting from over-fueling, which was determined to be the result of fuel injectors sticking because of deposits that were “rich” in the metals of sodium and calcium.

Although injectors showed sign of scuffing—the result of hard particle contamination, which, says the report,

“is the greatest fuel quality concern for high-pressure/common-rail fuel systems, worldwide”

—investigators determined that scuffing was not the primary issue for the immediate problems the bus engines were exhibiting.

The culprits in this instance were “metal carboxylates” in the fuel, more commonly know as “diesel soaps.” The recommended fix for the problem was use of a fuel additive that could both clean the Injectors and minimize further deposits, coupled with much tighter filtration.

 

Another Bad Actor

 

 

 

Biofuel is manufactured by reacting a plant-derived fat or oil (usually soybeans in the United States) with an alcohol, using sodium hydroxide as a catalyst. An unwanted by-product of the process is glycerin.

Although most of the glycerin is washed out during the manufacturing process, regulations do allow 200 ppm to remain.

Biofuel usually is mixed with petroleum diesel in 5-, 10- or 20-percent concentrations to form biofuel blends, but even at these relatively low concentrations, enough glycerin remains to create filter-plugging problems when, under certain fuel moisture and temperatures conditions, it becomes a solid and drops out of solution.

To help counteract glycerin’s effects, Jim Peterson, sales manager for Donaldson’s Hydraulics and Clean Solutions Group, suggests these measures:

  • Filter fuel on the dispensing side of the bulk tank and use proper on-machine filters
  • Keep fuel dry with proper tank flushing and proper breathers
  • If possible, moderate the temperature of stored fuel above the glycerin dropout level
  • Turn over fuel as quickly as possible
  • Keep fuel infrastructure as free from particulate contamination as possible
  • Ask OEMs about using detergent additives to keep glycerin in solution, both in equipment and bulk storage

 

Filtration and Additives

 

 

 

As noted before, the contamination of diesel fuel with soaps is not as prevalent, at least in many fleets, as other sources of fuel contamination.

These other fuel contaminates include hard particulates, increased water in biofuel blends, rapid oxidation of such blends, microbial growth, so-called asphaltenes (compounds that can agglomerate into an oily sludge), acetic acid formation and glycerin.

Glycerin being an unwanted by-product of biofuel manufacturing. “There are so many inherent problems with diesel fuel today,” says Hydrotex’s Cummins, “that machine owners must take a holistic approach when attempting to resolve them.”

The best defense against diesel soaps (and for most other contaminants, as well) seems to be the use of premium filtration, like the “Donaldson clean & Dry kit which includes 4 micron particulate and water filters. The kit also incorporates a desiccant breather to absorb moisture.”

Donaldson Clean and Dry Filter kit

In addition, (tank intake, tank dispensing, and on-machine), good tank housekeeping, and a well-chosen additive package.

Additives might be included in “premium” diesel fuel offered by some jobbers, but solving a serious soap problem might require consultation with an additive supplier who can take a comprehensive, laboratory-assisted view of all the fuel-quality issues in a particular fleet.

But, the best efforts are no guarantee of complete success when dealing with diesel soaps.

“We’ve seen soap deposits form in engines that use our most effective filters—those proved to remove 99.9 percent of material 4 microns and larger and significant amounts of material smaller than 4 microns,”  says Cummins Filtration’s Burbrink.

“If soap particles don’t agglomerate before the filter, they can pass through it. When they hit the injectors, the heat can cause these particles to deposit on metal.”

 

Deposit control

 

 

 

“We have seen great success with some additives,” says Burbrink. “The use of good detergents has dropped the failure rate significantly in some applications. Unfortunately, we also have seen customers having issues even though they are using detergents.”

That said, a well-formulated additive package seems to be an integral part of the potential resolution of problems with diesel soaps.

A good, multi-functional package will contain corrosion inhibitors and lubricity improvers (some formulations use nonacid, non-reacting lubricity improvers), as well as a deposit-control agent that will assist in cleaning injectors and minimizing further deposits.

 

The Key

 

 

 

“The key to diminishing field issues is the use of a two-prong strategy,” says Innospec’s Chapman. “One, use an additive that provides the required lubricity but is resistant to reaction with metal hydroxides, and, two, use a deposit-control additive to ‘clean up’ and ‘keep clean’ any deposits that may form, regardless of the their source. Deposit-control additives are useful for reducing injector deposits, reducing filter plugging, and for carrying through trace amounts of water. In lower-dose rates, or at a ‘keep-clean’ level, they will put a protective coating on metal surfaces and not allow deposits to form—or will limit their formation.”

Hydrotex’s Cummins makes the point, too, that treatment rates for additives, a corrosion inhibitor, for example, might have to be adjusted to meet the conditions of a particular storage tank. Cummins also reminds machine owners that deposit-control additives might need time to work in certain situations: “Soap deposits can get very deep into the injectors, become sticky, and cause poor actuation of the pintle. A good additive package will help clean the injectors, but given the nature of the deposits, it’s usually not a quick fix. The process might require four or five tanks of treated fuel before improvement is noticed.”

Sunrock’s Dennis offers this suggestion to fellow fleet managers: “I would recommend that fleet managers, if they haven’t already done so, educate their fuel suppliers on the subject of upstream fuel-contamination issues and their effects on diesel engines.

Managers can use that opportunity to register their concerns about diesel soaps—for the purpose of promoting a partnership in utilizing countermeasures against diesel-fuel contamination. Their fleet reliability depends on it.”

 

 

To read more technical data on Diesel Soap click link below

SOAP AND GLYCERIN REMOVAL FROM BIODIESEL  

Star Oilco diesel fuel tank for construction jobsite Keep Full service
Diesel Fueling for Construction Jobsites 720 720 Star Oilco

Diesel Fueling for Construction Jobsites

Diesel fueling for construction jobsites in Portland, Oregon.

Keep full service for construction jobsites with R99 Renewable Diesel available.

Diesel Fuel for Construction

 

If you are managing a project we will keep that jobsite full.

Diesel fueling for construction jobsites seven days a week in the Portland metro region.  We have a variety of diesels accompanied with DEF top off to keep your operation running without interruption. We can provide a consistent schedule to keep going seven days a week.  If you are running generators, blowers, heaters and other 24-7 equipment we can keep those running through the weekends.  Our autofill construction service can provide the fuel you need, tanks for your project, and regular scheduled service to guarantee uptime.

Does your diesel fueling for construction needs call for a guaranteed stops on a schedule? Do your projects sometime require every 12 hour or 6 hour fueling? Does you fueling project needs call for generators, heaters, reefer-trailers, light sets, and yellow iron?  Star Oilco can do a few gallons wet hose fueled into your equipment to 100,000+ supply contracted for your project.  We have trucks dispatched seven days a week with several shifts.  Star Oilco can do twice a day fueling if needed for your project including regular 0 gallon stop by visits to confirm your equipment is running.

We can keep your generators running, your heaters blowing hot air, your pumps pumping, and your crew running without having to stop for fuel or DEF!

 

Fueling Back Hoe on construction site

Jobsite fueling service to meet the needs of your project management.

Off Road Diesel, Dyed Renewable Diesel and DEF available for your project need.

 

Mobile Fueling of Construction site in Portland, Oregon

Keep Full Mobile Onsite Fueling

Star Oilco can provide scheduled mobile fueling to your jobsite seven days a week.  Our diesel construction fuel service includes onsite tanks as well as DEF equipment for your project needs. At start of shift and end of shift schedule is also available for delivery.

 

 

 

Tight Access Diesel Construction Fueling Available.

Star Oilco’s fleet includes smaller fuel trucks able to access tight to reach areas in parking garages, active facilities, back alleys, inside buildings, and other hard to reach areas required by a project.

 

 

 

 

DEF Delivery Included with your Diesel Fueling.

Diesel Exhaust Fluid (DEF) keep full and bulk delivery service to your jobsite.  We have DEF bulk equipment as well as boxes available for your project.  What you want for your operations is what we want. Keeping those small DEF tanks full and generators running is what we can do for you.  We are here to make it easy.

 

 

 

Renewable Diesel in Oregon

Dyed Renewable Diesel for your Diesel Construction Fueling needs.

Does your project require a lower CO2 footprint?  We have off-road R99 Renewable Diesel on our trucks daily.  Star Oilco also has multiple sources for R99 in the Pacific Northwest for your needs to guarantee supply. If large volumes are needed for Renewable Diesel for a project in the future we can enable a contract to meet these needs.

 

 

Construction Loaner Diesel Tanks

 

Diesel Fueling Construction Tanks available.

Star Oilco has fuel tanks available for your project.  Our typical inventory of tanks sizes are 250 and 500 gallon UL142 double wall thanks.  We have 100 and 50 gallon fuel cells for moving fuel around a jobsite in the back of a fuel truck. Larger sizes available for longer term and larger projects with advance planning.

 

 

 

Wet Hose Fueling Service in Vancouver, WashingtonStar Oilco can provide your project with the fuel you request.
– B5 ULSD Dyed Diesel
– B20 ULSD Dyed Diesel
– Dyed R99 Renewable Diesel
– E10 Gasoline
– Non-Ethanol Premium Gasoline
– Kerosene, and others if the project calls for it.

Schedule Your Fuel Delivery Today

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