You have probably heard the term E85 used before, witnessed some vehicles badged with the FlexFuel signature or even stopped at a gas station that offers it and been slightly puzzled. E85 is an alcohol fuel mixture that is composed of up to 85% denatured ethanol with the remainder standard gasoline. Currently, most fuel is composed of roughly 90% gasoline and 10% percent ethanol. With E85, this formula is pretty much reversed. The following is a look at the pros and cons of E85 for the environment as well as a discussion on how E85 works in your car.
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