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Flex Fuel Finder
"In only eight short months, our fuel sales have almost doubled and out of all the gas sales our E15 has outgrown unleaded sales by 60-65%. Much of the credit can be given to the special $0.15 off coupons E15, E 30, E85 to get customers to try the new fuels. It showed them they could save money and get the same mileage on E15 or E30. We feel this has directly driven our sales along with a lot of customer education, one-on-one explanations of what Ethanol and bio-fuels are all about including the impact to our environment and the health and welfare of the community."
- Margaret & Michael Bauer, Owners Minnetonka Minnoco

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.