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Flex Fuel Finder
"We have had great results adding E15 to our offerings of fuel choice. Customers are choosing E15 as the most popular fuel. We have been able to pump 1,000,000 gallons E15 since its launch December 2014. Being a long time operator of both branded and unbranded gasoline stores at times you have pluses and minuses on both sides. It is my experience in today’s current market that having E15 is a game changer. We have shown volume increases. We have constant customer interactions appreciating the lower price on fuel offerings. Being able to blend on site with the help of Growth Energy allows the price delta to be lower and save customer real money.The future of E15 is real. I believe the motoring public will have top of mind knowledge and understand the “e” vocabulary in the next 5 year. Once the customer gets the proper exposure and unbiased truth their decision making ability will show success of E15."
- Steve Anderson, General Manager & Owner Marshall Cretin Minnoco, St. Paul, MN

Flex Fuel Vehicles


Half of all U.S. vehicles made today are flex fuel ready

FFVs are specially designed to run on regular unleaded or any ethanol fuel blend up to 85 percent. Special on-board diagnostics “read” the fuel blend, enabling drivers to fuel with E10, E15, E20, E30, E40, E50 or any ethanol blend up to E85, or regular unleaded if E85 is not available. Therefore, any part of the engine which comes in contact with the fuel has been upgraded to tolerate alcohol. Normally, these parts include an upgraded fuel system with alcohol compatible parts. Today, Chrysler Corporation, Ford Motor Company, General Motors, Nissan and Toyota all offer flexible fuel engines as standard equipment in certain vehicles — at no additional cost to consumers. Each FFV comes with the same factory warranties as gasoline vehicles.

What are the differences between a FFV and a regular gasoline-only model?

The significant difference is the fuel sensor which detects the ethanol-to-gasoline ratio. A number of other parts on the FFV’s fuel delivery system are modified to be E85 compatible. The fuel tank, the fuel lines, fuel injectors, computer system and anti-siphon device have been slightly modified. Alcohol fuels can be more corrosive to certain metals than gasoline; therefore, fuel system parts have been upgraded for high level ethanol use.

Download a PDF of current FFVs.