Car Craft has been doing tech stories on E85 fuel longer than any other performance-car magazine. By now it should be well known, but in case this is news to you, E85 is an alcohol-based fuel blend of ...

E85 — aka Flex Fuel — is a domestically produced, renewable, alternative fuel blend consisting of around 85-percent ethanol and 15-percent gasoline. Made for use in specially prepped flex fuel ...

E85 is a blend of 85 percent Ethanol, a grain-alcohol made from corn, and 15 percent gasoline. This mixture gives the fuel a much higher octane rating than gasoline, and is cheaper than pump gas, race ...