Stay Educated On Fuel

Star Oilco’s Commitment to Sustainability

Star Oilco’s Commitment to Sustainability 150 150 Star Oilco

Star Oilco’s Commitment to Sustainability What is biodiesel? Is it the same as raw vegetable oil? Biodiesel is a cleaner burning diesel fuel made from vegetable oil. Simply stated, a biodiesel molecule is a                                                              vegetable oil molecule with the glycerol removed. Chemically, biodiesel is defined as a mono-alkyl ester of                                                          …

Star Oilco truck fueling a large generator during winter conditions

Diesel Backup Tanks – Treating and Refilling

Diesel Backup Tanks – Treating and Refilling 1024 768 Star Oilco

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. 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…

Two semi-trucks driving on a highway with trees in the background

Fuel Market Report: Aug 17th – Aug 23rd, 2025

Fuel Market Report: Aug 17th – Aug 23rd, 2025 1024 683 Star Oilco

Did You Know That R99 Is The Same Cost As Diesel Currently? Call to set up R99 Mobile Fueling Onsite Service in Portland at the same cost of retail diesel. Dyed untaxed R99 is also available. Give us a call today to schedule your delivery. Wholesale Price Average 8/23/25 Wholesale LowWholesale Avg E10$2.49$2.66 B5$2.89$3.03 B20$2.90$3.01…

Star Oilco fuel trucks staged for mobile on-site fueling

On-Site Mobile Fueling Benefits -Truck Fleets

On-Site Mobile Fueling Benefits -Truck Fleets 1024 768 Star Oilco

For companies that operate truck fleets, managing fuel consumption is a critical aspect of their operations. Refueling logistics and costs can pose significant challenges. A fuel delivery truck service is also known as fleet fueling, mobile fueling or wet hosing. By incorporating a fleet fueling service that fills their trucks every morning, companies will reap numerous…

Star Oilco technician testing off-road diesel fuel quality with a funnel and filter on-site in Portland OR

Off-Road Diesel – When To Use And The Benefits.

Off-Road Diesel – When To Use And The Benefits. 1024 768 Star Oilco

What are the benefits and when can you use off-road diesel  Off-road diesel excels with a higher cetane rating, enhancing engine performance and offering cost savings without taxes. However, it’s strictly for off-road vehicles like tractors and construction machinery. Using it in regular on-road cars is illegal, leading to fines and potential imprisonment.  Advantages of…

Two semi-trucks driving on a highway with trees in the background

Fuel Market Report: Aug 10th – Aug 16th, 2025

Fuel Market Report: Aug 10th – Aug 16th, 2025 1024 683 Star Oilco

Wholesale Price Average 8/16/25 Wholesale LowWholesale Avg E10$2.51$2.69 B5$2.83$2.94 B20$2.81$3.02 R99$3.64$2.79 Average Retail Prices 8/16/25 NationalOregonWashington E10$3.14$3.98$4.41 B5$3.69$4.47$5.01 Taxes FederalState: ORLocalState: WA Gas$0.184$0.40$0-.13$0.494 Diesel$0.244$0.40$0-.13$0.494 Oregon Fuel Price Variance Fuel Market News Diesel prices are down significantly and gas prices have hovered around the same price range for the wholesale rack average market. These prices have…

Star Oilco black fuel truck parked on rural road with trees in background

Understanding The Renewable Fuel Standard In Portland

Understanding The Renewable Fuel Standard In Portland 1024 768 Star Oilco

Diesel Fuel Is Changing In Portland With The Renewable Fuel Standard (RFS) Figuring out what this means for you or your business can be challenging. We have shared many questions that we have been asked already, to help provide more clarity on what this Renewable Fuel Standard (RFS) means for Wholesale Purchaser-Consumers​. If your question…

Construction Loaner Diesel Tanks

Diesel Fueling for Construction Jobsites

Diesel Fueling for Construction Jobsites 720 720 Star Oilco

Diesel fueling for construction jobsites in Portland, Oregon. Keep full service for construction jobsites with R99 Renewable Diesel available.   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…

Two semi-trucks driving on a highway with trees in the background

Fuel Market Report: July 13th – July 19th, 2025

Fuel Market Report: July 13th – July 19th, 2025 1024 683 Star Oilco

Wholesale Price Average 7/19/25 Wholesale LowWholesale Avg E10$2.46$2.57 B5$3.19$3.27 B20$3.28$3.32 R99$3.17$3.22 Average Retail Prices 7/19/25 NationalOregonWashington E10$3.14$4.98$4.39 B5$3.72$4.51$5.03 Taxes FederalState: ORLocalState: WA Gas$0.184$0.40$0-.13$0.494 Diesel$0.244$0.40$0-.13$0.494 Oregon Fuel Price Variance Fuel Market News Fuel prices trickled down this week with both gas and diesel prices dropping. Although the drops were very marginal, with gas prices down $0.02/gal…

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

Diesel Exhaust Fluid (DEF) Quality, Storage, and Future Considerations 1024 1024 Star Oilco

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…