Definition:
E85 is a blend of 85% ethanol and 15% gasoline. It is the most commonly available blended fuel for use in flex-fuel vehicles (FFVs).
Ethanol is a corrosive alcohol that will degrade common steel and rubber fuel system parts on conventional vehicles. Flex-fuel vehicles are manufactured with synthetic and/or composite fuel system parts that can tolerate high levels of alcohol.
Pronunciation: Say the letter and the number together: ee eey-ty fahyv
Examples:
E85 is the fuel of choice for flex-fuel vehicles.
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