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Star Oilco fuel truck delivering diesel to a refrigerated trailer at an outdoor event with beer kegs stacked alongside
Documenting Fuel Theft – A Wex Article 4 Step Approach 768 1024 Star Oilco

Documenting Fuel Theft – A Wex Article 4 Step Approach

Wright Express Fuel Cards versus Fuelman Fleet Cards for small business

Wright Express  (also known as WEX) has a great article for corporate fuel buyers on the best practices when documenting and confronting fuel theft.

WEX: Tips for enforcing proper fuel card usage and preventing employee theft.

A few things they left out that Star Oilco would include. As a Pacific Northwest Commercial Cardlock provider serving Oregon and Washington, we approach things a little differently than a credit card concept like WEX. We accept and love working with WEX, Voyager, Comdata and other fleet cards but still like personalizing the security of a fuel card to the use of it.  Call your current fuel vendor (or call Star Oilco) and review your security features.  If you suspect there is fuel theft, rather than watch it happen just eliminate the places it can occur. With either CFN or Pacific Pride networks the features are inherit and we can help you guarantee they are being used correctly.

Get out of the gas line

The Four Step Approach to Fuel Card Management

When a customer tells us they suspect fuel theft this is what we recommend to do with either CFN or Pacific Pride cards:

  1. Establish a no tolerance fuel theft policy and have every employee sign it.  This policy includes an acknowledgement by them they have a secret PIN unique to them and if it is used they are responsible for it. So if there is theft with their PIN they can be fired for that theft.
  2. Now that all users of your company vehicles have a unique PIN code. Attache their name to the use of that PIN.  So when you get your fuel bill, the actual names of the users of the cards is there next to the transaction. Just this best practice (and sharing this evidence with your team) will keep honest people honest. If they know their name appears to the transaction they will think about ownership of their actions.
  3. Ensure you have set limits on the cards to line up with the needs of the business.  Attach the fuel cards to the vehicle that uses them.  Then make sure the fuel type and volumes allowed line up with that vehicle. If a vehicle is diesel, that fuel should be the only fuel allowed to be used.  If that vehicle has a 30 gallon or 100 gallon tank set limits so no more than that can be fueled in a given day.  Just limiting the fuel volume to the tank size of a vehicle can eliminate most of the fuel theft that would occur.  Also you can limit the time of day as well as weekends. If a fleet isn’t on the road after 6pm, you can guarantee no fuel theft occurs after 6pm.
  4. Turn over the cards by having all drivers/staff turn in their old cards. Then re-issue those cards attached to the key-rings of the fleet keys.  Star Oilco can provide a card older designed to go on the vehicle key-ring to make this a no cost easy reform.By doing those things which is an easy project you will knock out most of the opportunity for theft as well as send a strong signal to your team that fuel theft is not okay. Honest employees will understanding clearly that theft is occurring and is not okay, the dishonest employees will know to immediately stop.  If theft continues it will also be very easy to spot as the name of the thief will appear on the bill alongside the transaction. That combined with a No Tolerance Fuel Theft policy will make removing the fuel thief an easy proposition for you regardless of your state of operation.If you do business in Oregon and Washington and have questions about securing your fuel purchases.

For more on how to stop fuel theft in your small business please see the Star Oilco whitepaper on securing your fleet cards at StarOilco.com/Stop-Fuel-Theft/ for a strategy on saving your business from the pain of managing drivers from stealing.

Call Star Oilco’s Sales Team at 503-283-1256 for an complementary audit of your processes and how we can give you peace of mind and less to worry about in your business.

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Close-up of a diesel fuel cap on a yellow fuel tank
Do you know what your diesel fuel quality is? 1024 683 Star Oilco

Do you know what your diesel fuel quality is?

Find out what the bottom of your diesel tank looks like!

Call Star Oilco to get your diesel tested. 

This winter, Star Oilco is offering complementary diesel fuel testing for any fleet operating in our service area. We are providing fuel quality testing in partnership with Hydrotex to assist fleets in our area struggling with containing the cost of fuel related maintenance.  Typically a diesel lab test costs over $200 depending on the lab.  Don’t let the hurdle of a scientific analysis stand between you and full knowledge of what is effecting your fleet.

Since the move to Ultra Low Sulfur Diesel in 2007 along with moving changes in diesel refining and biodiesel mandates fuel quality has been a moving target.  More importantly petroleum refiners and distributors follow an ASTM specification for diesel which is not as stringent as the ISO standards demanded by OEMs making the trucks on the road today.  Water and dirt in fuel are robbing your fleet of money.  Get a handle on it and move forward armed with that knowledge.

Star Oilco and Hydrotex can help you understand what is going on, what the quality of your tank bottom is, and what you need to do to reduce the cost of operating your fleet as it relates to diesel fuel.

Call Star Oilco and state you want to get your fuel tested for both ASTM and ISO specification. A member of our team will help you take the sample off of the bottom of your tank as well as from your dispensing nozzle.

Call Star Oilco today for have a sample taken and tested.  

503-283-1256 or email OrderDesk@StarOilco.net

Two Pacific Pride fuel cards on a country road background
Stop fuel theft- Pacific Pride fleet cards 512 440 Star Oilco

Stop fuel theft- Pacific Pride fleet cards

Fuel Cards that stop fuel theft with easy to use security controls.

Fuel theft is a very real expense fleets should be thinking about how to avoid.  Every fleet is experience more turn over in their driver pool than they want.  This can cost your business in more than just training expense and overtime.  Add in rising gas prices impacting your entry level employees and an unlocked fuel card is a huge temptation.  Remove the temptation of fuel theft and keep honest drivers honest with Star Oilco’s secure fleet card solution.

Get real time e-receipts when your employees buy fuel with your fleet card.

Having control and real time awareness of what is happening in your small business is a critical piece for growing a successful business. With Star Oilco’s Fleet Cards you can control your fuel cards by only turning them on in the zip codes or states you want to operate in. You can also shut the cards off for weekends and evenings so that when your business isn’t open either is the ability for a dishonest employee to steal fuel.  Our cards also offer real time e-receipts emailing you who is buying fuel where and when enabling your team to reinforce you fuel policies at the moment someone violates it.

Control where, when, and what product can be purchased with your business fleet card.

In Pamona, California two men altered a van to steal thousands of gallons of gas with a stolen credit card.  Credit cards are not designed to secure a business or an individual from fuel theft. Pacific Pride fleet cards are. Especially for corporate or small business fueling.

Similarly in St. Petersberg, Florida an employee used a company fuel card without security controls to steal over $3,000 in gasoline.  Pacific Pride’s controls make this type of theft extremely transparent and easy to get ahead of.

Star Oilco’s Pacific Pride fuel cards can secure your small business from this kind of threat. Be it a special van altered with a giant tank or an employee fueling up his wife’s car while fueling his own company vehicle we can prevent the risk of huge theft.

Pacific Pride Fueling Network Provider

Use a fleet card that sets controls on the gallons that can be bought, time of day, and area of town a card can be used in.

How we do this is with the designed Pacific Pride system which limits your fleet cards to total gallons per transaction, number of transactions a day, time of day, and locations you would actually need fuel. An ounce of prevention is worth a pound of cure. A gallon of restriction literally might be worth tens of thousands of dollars of possible theft. Call us for more information. 503-283-1256

Star Oilco is an Independent Franchisee of Pacific Pride. We are there to make commercial fueling simple for you.  For more information on preventing fuel theft, saving money on fuel, or simplifying your fuel management all you have to do is ask. We want to help.

For Star Oilco’s Whitepaper on stopping fuel theft please go to www.NoMoreFuelTheft.com page to download it.

Fuel bill audit best practices

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Pacific Pride commercial fueling station with text highlighting cost-saving benefits of using cardlock fuel cards.

Using a Pacific Pride cardlock fuel card helps businesses save through wholesale pricing, detailed fuel usage reports, enhanced security, and real-time e-receipts.

Blue diesel-powered emergency generator outdoors
Backup Generator Fuel – Keep Full 1024 1024 Star Oilco

Backup Generator Fuel – Keep Full

Star Oilco Generator Refueling Service in the Portland area.

Set up a Generator Diesel “Keep Full” account with Star Oilco before the bad weather.

Need fuel for your backup generator? Star Oilco delivers emergency diesel fuel right to your location before the power goes out and while you’re relying on it. We offer fast, reliable backup generator fuel delivery in Portland, Oregon, Vancouver, Washington, and surrounding areas. Whether you’re powering a business, hospital, data center, or another business that uses a backup generator, you can count on us to keep your generator fuel tank full, your lights on, your business running and your customers served.

 

Commercial Fleet Fueling in Portland

 

Remember that ordering diesel for your generator is a specialized service.

You want to stabilize and treat your diesel for generators and other back up equipment.

Order fuel treated for long term storage!

We often receive questions about backup generators, backup water pumps, and other emergency equipment. Fueling these critical pieces of equipment is a special kind of fueling service but we’re here to answer all your questions. We also encourage you to call with questions about generator fuel.  If you have questions about your building’s back up diesel generator’s fuel quality in the Portland, Oregon area we will sample and test your fuel at not cost with if you have an account with Star Oilco.

Generator Fuel is a specially treated oxidative stabalized off-road fuel designed to store for years.

Fuel for a backup generator is a specialized product. Besides the fuel, the service itself takes a vendor who understands your needs and can keep you up and running in an emergency.

Generators take off-road diesel, of course, but you want an ultra low sulfur diesel to ensure it works with modern emission systems. Some companies may deliver a higher sulfur heating oil product that looks the same but can foul the emission systems of your equipment.

Backup Generator Fuel in Portland

Beyond just the service provided by a truck and driver, you also want a vendor who offers a fuel stabilizer and biocide for the special long term storage needs of your backup generator. Star Oilco recommends you add a biocide and long term storage stabilizer to your fuel to ensure it is good whenever you need it. We use Valvtect Bioguard Plus 6 for generators, emergency water pumps, backup boiler fuel, and other long term storage purposes. This product kills any existing biological growth and stabilizes your fresh diesel fuel for long term storage. Make sure your diesel is ready the next time you need backup power.

As a complimentary service to our customers, Star Oilco will also test fuel for its quality. If you want to confirm fuel quality at the time of a top off, let us know and we will ensure the driver has a sample kit to get your backup fuel tested for peace of mind.

Feel free to message us if you need a backup tank filled. If you are in charge of Corporate Fueling, please call with any questions you may have.

Read more about stabilizing your generator fuel for long term storage.

Keep it simple with Star Oilco. We make it easy for you to be prepared. Don’t wait for a power outage to find out your generator is low on fuel. Trust Star Oilco for fast, dependable diesel fuel delivery for backup generators in Portland, Salem, Vancouver, and throughout Oregon and SW Washington. Whether you need on-site generator fueling, dyed diesel, or emergency fuel service, we’re ready to help. Call (503) 283-1256 today to schedule your standby generator fuel delivery and ensure your power stays on when it matters most.

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Person looking through binoculars in an autumn forest with vibrant fall colors reflected in both lenses, symbolizing focus on Oregon’s diesel and CO2 credit market conditions.
Fall Diesel Outlook for 2025 – the Oregon Market 1024 1024 Star Oilco

Fall Diesel Outlook for 2025 – the Oregon Market

What market forces are impacting the Oregon diesel outlook?

The US market is short diesel in storage while the Oregon market is short CO2 credits causing a unique market condition as we head into fall.

Diesel prices in the Pacific Northwest have not been following National trends for diesel.  The west coast is paying a premium compared to other nearby states.  Diesel in Oregon is significantly higher than the national average.  More to the point, the carbon credits associated with biodiesel and renewable diesel in Oregon are trading at recent record high prices. Higher than California’s CO2 credit prices. What’s going on?

Well for once it isn’t the price of crude oil causing this, or the amount of biofuels. Its all about todays Oregon diesel and carbon markets.  The story starts a few weeks before Memorial day.

Memorial day is often cited as the kick off to the driving season.  It also is when we usually see construction and trucking pick up with the summer weather.  A few weeks before Memorial day the Olympic pipeline went down unexpectedly.  The Olympic pipeline serves Portland and Eugene with their diesel and gasoline fuels from the refineries in northwest Washington state.

That pipeline had an unexpected outage.  Those happen for plenty of reasons usually safety checks or repairs. When the pipeline went down the market was notified it would probably be a week and open again the Monday before memorial day.  That Monday, the Monday before one of the bigger fuel weekends of the year, came and notice went out the pipeline would still be down for another week.

At that moment supply was already short for gas and diesel. Especially diesel.  The Portland and Eugene market saw diesel like a dollar cheaper in states like Idaho, Utah and others. So guess where diesel started flowing from? Markets responded as the bigger players on the ground in Oregon started moving diesel from those states.  Your local truck stops, gas stations, and cardlocks didn’t run out of fuel in several parts of Oregon because of these efforts.

In a US diesel market that was already tight for diesel supply, Portland, Oregon had an event that made it even tighter demanding diesel from around the region. Markets responded sending higher price offers to bring diesel into Oregon. Source is US EIA.

Oregon does not have any petroleum refineries or even biofuel plants.  It can only be supplied by pipeline, barge, rail or truck from outside the state.  When the pipeline came back online quite a bit of outside diesel had flowed into the state from nontraditional sources by rail and truck.

The people who moved that diesel are regulated in Oregon with two programs for CO2 emissions.  One is called the Clean Fuels Program which requires anyone importing diesel into Oregon to come up with a CO2 reductions by either blending low carbon biofuels or buying CO2 credits from others that use those fuels in the state.  Oregon also has a Cap and Invest program which only allows so much fossil fuel to be sold inside Oregon in a calendar year.  Oregon caps the total market for fossil fuels sold at retail stations as part of it’s carbon reducing strategy.

Guess what happens when a bunch of suppliers start bringing in gas and diesel to meet the market need?  They have to come up with Carbon credits and allowances to meet those carbon reduction programs for liquid fuels.  When unexpected volumes of diesel get imported into Oregon the CO2 market dynamics change.

For diesel, they need to start blending biofuels such as renewable diesel and biodiesel.  So since that Memorial Day pipeline outage the people who imported diesel from other states need CO2 credits under Oregon Clean Fuels Program as well as to ensure they done sell to many additional gallons of fossil fuel diesel to exceed the allowance of Oregon’s cap and invest regime.

Therefore CO2 credits are high, people are trying to blend more biofuels to catch up to the unexpected volumes of diesel they moved into Oregon.  Prices are higher than the rest of the US for diesel as a hangover to the supply disruption.

Upside for the first summer in a few years there is plenty of Renewable Diesel in the Portland, Oregon market as the CO2 credit prices are higher than California and the diesel prices are also high to help.  In the last month we have seen a huge amount of Renewable Diesel show up into the terminals in Portland.  So hopefully we will see lower prices heading into fall as all this works itself out.  As we pass by Labor Day the market cost of diesel should normalize and return to a much more affordable price.

The one downside of high diesel prices is that it makes Renewable Diesel the same price as fossil diesel.  If you want to try it, now is a good time where you can get it affordably and field test it for results with your fleet.  Want to see how it performs in reducing truck regens, EGR services, and see if fuel economy improves with a cleaner burning synthetic diesel running in your fleet.  This fall is a good time to experiment with it.

If you want to try Renewable Diesel in your fleet.  Star Oilco has it immediately available.  Please reach out to give it a try at either our Cardlock locations, with Mobile Onsite Refueling in your yard, or a Loaner Bulk Tank trial of the fuel in a few trucks.

Star Oilco has Renewable Diesel seven days a week for your fleet: Mobile Onsite Fueling, Cardlock, and Bulk Delivery.
Call us at 503-283-1256 or email at OrderDesk@StarOilco.net.

Renewable Diesel in Oregon

Yellow diesel backup generator for emergency power
Fuel Quality In An Emergency Back-Up Generator Matters – Find Out Why 1024 683 Star Oilco

Fuel Quality In An Emergency Back-Up Generator Matters – Find Out Why

                      Emergency Back Up Generator Diesel Fuel Quality

The fuel in your generator is the single most overlooked item in maintaining a back up generator.  Be prepared and know your back up generator diesel fuel quality is ready with these best practices.

When the power goes out, don’t let a decade old tank of diesel be your weak link.

 

Diesel Generator Fueling Service

As a provider of back up generator fueling services we know how critical fuel is in an emergency.

Back up generators are everywhere when you start looking for them.  Rarely needed but when a storm or disaster strikes their failure to fire will be extremely conspicuous. In the Pacific Northwest where resilience planning around a major subduction zone earthquake is a monthly subject of talk.  Back up diesel will be the only immediately power source after a quake.  Diesel generators are taking center stage for emergency preparedness, placing those who maintain them in some high level policy discussions.

Avoid a double emergency when the back up power isn’t there for your need by focusing on the diesel fuel quality.

The worst case scenario for fuel quality is water getting into your diesel fuel reservoir as well as biological growth occurring in that water logged diesel. If water is present in diesel, and that diesel is in a warm dark place, bacteria will start growing in your tank. So first preventive step is watch for water.  The most likely problem with fuel you will see is the fuel aging and degrading in place over years of not being used.  That can be addressed with your routine maintenance on the tank.

CIM-TEK water absorber

NOTE: To get a small amount of water or to ensure a dryer tank of fuel, CIM TEK makes a Tank Dryer which absorbs a small amount of water in a tank. Handy similar to adding a desiccant into a closet with a slight condensation issue. 

Back up power generator diesel fuel quality.

The big rule for storing back up generator fuel is to make sure the diesel you use is clean and dry.

First ensure you are testing the generator by running it once a month.  Move fuel through the system and ensure the generator is starting right up. Run the generator for a while to use up fuel and be prepared to order a regular top off when you get below 3/4th of a tank. When checking the fluids on the generator prior to start up see if the fuel filter has a visual transparent bottom where you can see what the fuel looks like there. If it looks like dirty fuel or there is evidence of water take notice.  After cycling the generator take a peek and make sure the fuel it’s pulling into the generator is bright (not dark and degraded).  If you are seeing any water (even a small drop) that is an indication of real concerns.

If you are using up half a tank a year and adding to it, the fuel quality will usually stay within specification.  If you have worries the easiest way is to just start over. With older generators sometimes it’s a good idea to just evacuate the tank (empty all the older diesel fuel) and replace it with fresh diesel treated and stabilized for long term storage.

Most back up generators are seeing routine annual maintenance where the mechanical needs of the equipment are walked through. If this is occurring ask for a bottom sample from the back up generators fuel tank. Also ask to see what the fuel in the bottom of the fuel filter (assuming they are changing that) would give an indication if problems might exist deep in the fuel tank.

Back Up Diesel Generator Fuel Service

Sampling and Onsite Testing of Fuel from Generator Diesel Tank:

  1. Pull sample from tank bottom
    1. Use a professional “Bacon-Bomb Sampler” (google it to see one) or a small fuel transfer pump available at any auto parts store.
  2. Visually inspect it by swirling it in a beaker or mason jar.
    • Look for water and dirt fall out as you swirl.  If you see a few drops of water form you’ve got a water problem. If you are seeing coffee ground type material in the fuel, that’s biological growth. If an algal or gunk type slime appears, that’s also biological growth.
    • If clear like cranberry juice and bright – your fuel is in good shape.  If a darker cherry color yet still clear, your fuel is aging and you should consider swapping or burning fuel off in the next year.
  3. If fuel is dark in color (showing that it is aging in the tank) you can send that sample to a lab to test it. You want to ensure you are confirming the following:
    • Oxidation Stability (or Accelerated Stability)
    • Water Content in PPM (under 50 PPM is what you want, under 100 PPM is not uncommon, and over 100 PPM there is probably water in the fuel and you want to pursue remedial action.)
    • Make sure the fuel testing lab you are using (your current fuel vendor should have a recommendation or do it for free for you) is checking for:
      • oxidative stability (if it’s aging out of specification),
      • biological growth (if bugs are growing in it),
      • water content (indicating a puddle someplace in the tank causing higher water content in the fuel) and,
      • dirt content of the fuel (if there is dirt, there is probably biological growth or some other problem).
  4. Set aside sample in a warm dark place for a month and check it for biological growth occurring which will confirm if you have fuel growing inside the tank.
    • How to test diesel for biological growth In-House:
      • Take your sample that appears to be in great condition and set it aside in a warm dark place for a month (day light kills most biological growth in fuel, though day light ages your diesel in other ways).
      • When you come back to look at the sample, if a film or layer of darker color is appearing in the fuel, this is biological growth occurring.
      • If you see nothing and want to experiment further, add a slight amount of water to this sample, shake it up, and put it back in a warm dark place.
      • When you check back if there is a a new layer of darker color on the surface of where the water contacts the fuel, that’s what grows in your tank.
      • If nothing grows, your fuel is safely stabilized for storage this year. Even if water is finding its way into your fuel tank, the fuel is safe and will be ready to start.
        • NOTE: Do not leave water in your tank, even if the fuel looks good. Eventually it will be a major problem and something will grow. If you are putting biocide in your tank regularly and their is an environment for growth, something resistant to that biocide will take root and you WILL NOT be able to get it out of the tank without serious effort.

NOTE: If you are curious to see a fuel lab analysis of the diesel this is an example.  This is a lab analysis from Hydrotex, Star Oilco’s premium diesel additive provider.  They are very supportive in testing everything we send them for quality assurance. 

 

Do you have questions about generator diesel fuel storage?

If you have questions about fuel storage, Star Oilco has answers.  Star Oilco does not do tank cleaning, we still will help you figure out what you need to do in order to have the result you need.

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For more on Diesel Fuel Quality Assurance please see these other Star Oilco articles:

Desiccant breathers, dry diesel, and keeping your diesel fuel clean.

Every question Star Oilco has been asked about dyed diesel.

Keep and make your diesel fuel cleaner. 

Bioguard Plus 6, Kill and prevent biological growth in your diesel fuel storage tank.

 

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.

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Welcome to Oregon road sign on a forested highway
The Next Generation Of Diesel – Bio Diesel 1024 683 Star Oilco

The Next Generation Of Diesel – Bio 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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Diesel Soaps: Identification And The Negative Impact. 1024 768 Star Oilco

Diesel Soaps: Identification And The Negative Impact.

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  

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Diesel Backup Tanks – Treating and Refilling 1024 768 Star Oilco

Diesel Backup Tanks – Treating and Refilling

Here’s good advice if you are relying on diesel as a back up fuel in the Pacific NW.

Now is the time to refill and treat your back up fuel tanks.

Diesel as a back up fuel

Quite a bit of our business at Star Oilco is fueling back-up generators, emergency water pumps, refrigerated trailers and other long term off-road diesel storage requirements. In the Pacific Northwest, biodiesel blending is required by state laws and you need to take an extra duty of care when storing diesel as a back-up fuel.

This means that most off-road diesels and heating oils are ultra low sulfur diesel containing a small quantity of biodiesel.  That means long term storage requires a proactive approach.  You can’t just hope and wait to see what the fuel begins to look after years of storage.

Technical advice from Government Fleet Magazine to help you with storing diesel fuel.

Here is an article from Government Fleet Magazine on the subject which runs through the specifics of long term storage and what causes fuel to degrade when stored.  Government Fleet Magazine – How to Maintain Stored Diesel Fuel.

Star Oilco has also worked up a PDF check list on how to verify if your fuel is in need of freshening or is still in emergency ready shape.  If you are a customer of ours, we will deliver a laminated card version to keep next to your back up generator. If you are not a customer (or outside of our service area) drop us a message below and we will gladly email you the PDF.

For our customers, we recommend that you check the tank bottom fuel quality on an annual basis to make sure the product looks good. If the tank has sat for years and is dark in color (good diesel is bright and transparent – you will notice if it is in bad shape), we recommend pumping the tank out at least partially and replacing with fresh fuel. Often you can also hugely improve the quality of the fuel by polishing the fuel. Polishing is when you circulate fuel from the bottom of the tank through a pump, filter repeatedly in order to remove any sediment or growth from the fuel, and then place this fuel back in the same tank.

Look at your fuel for a bright and clear color.

For stored fuel, you also want to make sure it is stabilized and contains a biocide. Stabilizers prevent the oxidation of the fuel and prevent the effect of metals like lead, copper and zinc, which can react and degrade fuel. For heating oil systems with a return line, for instance, the fuel is flowing through a copper line to the furnace and then back to the tank in a return line.

Use additives designed to prolong the life of your emergency diesel fuel.

Biocides prevent the growth of biological activity in the tank. In scenarios whcontaminated_dieselere micro-organisms like algae, bacteria, yeasts, and other bugs are growing in your fuel, biocides can kill this growth. It is still important to remove the residual grit and other contaminants that are the hallmark of bugs growing in your tank. Usually you remove them by filtration or total turn over of the fuel. If your tank absolutely has to be clean, you can contract a tank professional to enter the tank and physically clean the tank bottom or reline the tank with either fiberglass or an epoxy resin.

Water in diesel destroys fuel quality rapidly. Check your tank for water every fall and spring.

In events where water finds its way into your storage tank, that can also be corrected by pumping the tank bottom. Additionally, you want to put in an absorbent material designed to absorb water and not fuel. If your long term storage tank has water and you are not planning to burn 100% of the fuel in the near future, DO NOT add anything that removes water by distributing into the fuel. Adding a “fuel drier” that actually pushes the water into solution with the diesel will worsen the long term quality of your fuel, not improve it. That water is where bugs find their home to grow in fuel.

Star Oilco will test your fuel at no charge if you have an open account.

Feel free to call us with any questions you may have about long term storage of diesel. Star Oil can also deliver treated diesel ready for long term storage complete with Hydrotex PowerKleen Premium Diesel additive to improve the long term storage quality of your fuel. For biocide, we use Valvtect BioGuard fuel microbiocide to kill any possible biological activity and prevent any chance of it starting.

Diesel Testing and Storage in Portland

If you have a long term diesel storage tank and you are in the Portland, Oregon area, we are here to test your fuel.  Make sure your diesel is there for you when disaster strikes.

Tank Testing Form

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For more reading on diesel fuel quality assurance:

Fight Humbug in your Diesel Tank (using Valvtect Bioguard Plus 6 to stabalize your stored diesel)

Diesel Fuel Technical Review (an easy to read and free text book on diesel fuel)

Emergency Back Up Generator Fuel Quality (designed to provide a checklist to help Facility Managers keep those back up generators ready for emergency action)

Using Desicant Breathers to keep diesel fuel dry and clean (an introductory primer on desicant breathers and how they can be used to keep long term diesel storage drier and cleaner)

Using Diesel Filters to clean up your diesel fuel quality (an introductory primer on using aggressive filtration in line with diesel fuel dispensing for fuel quality assurance)