Our fuels

High Performance Fuels

Propel’s Flex Fuel E85 and Clean Diesel fuels improve the performance
of your vehicle while cutting back on harmful emissions. Propel now offers
two quality clean diesel fuels at select locations, Diesel HPR and Biodiesel.

Propel’s newest offering, Diesel HPR, is now available across California.

Learn more about Diesel HPR’s performance and environmental advantages at DieselHPR.com

FlexFuel E85
High-octane E85 is compatible with all Flex Fuel vehicles. Comprised of 85% ethanol and 15% gasoline, E85 is derived from fermented starch and sugars. E85 increases engine performance while improving local air quality.

Improves horsepower & acceleration with an octane rating of 100–105

Reduces poisonous emissions including NOx, particulate matter (PM), and Carbon Monoxide (CO)

Decreases carbon pollution gasses

100% compatible with Flex Fuel vehicles and may be used interchangeably with gasoline

Diesel HPR
Diesel HPR is a high performance renewable fuel that meets the ASTM D975 petroleum diesel fuel specification for use in all diesel engines. Diesel HPR contains no biodiesel.

Proven increase in power and torque

40% higher cetane than regular diesel, for smoother combustion and a better ride

Lower emissions for better air quality

Diesel HPR is additized to provide excellent lubricity in all driving conditions


Looking for Biodiesel?

Propel continues to offer Biodiesel at all our locations in the Greater Seattle area. For driving directions, blends offered and more, visit our Locations page. To learn more about running Biodiesel in your vehicles, visit our Biodiesel page.

Our Performance Guarantee

Propel fuels are the highest-quality fuels available. Drive with confidence knowing we’ll fix or replace any damage to your engine or fuel system in the unlikely event that our fuel is determined to be the cause of that damage.

Future Fuel Technologies

Today, and tomorrow, Propel offers the most advanced fuels available. Find out what the future holds.

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