What is Flex Fuel and FFVs?
Flex fuel, also known as E85, is the term used for the 96-105 octane mixture of EPA approved alternative fuel that is 85% ethanol and 15% gasoline. A Flexible Fuel Vehicle or FFV can operate on gasoline, E85 flex fuel, or a mixture of both. E85 flex fuel is used in light-duty Flexible Fuel Vehicles ...