Not all cars are compatible with this ethanol-rich fuel, and deciding whether to fill up with it requires some consideration.

Pros: Renewable, fairly widely available, and older diesel cars can seamlessly burn biodiesel or diesel. Used vegetable oil can sometimes be free. Cons ... fuel economy for all cars. Ethanol ...

E85 - AKA Flex Fuel - is a domestically produced, renewable, alternative fuel blend consisting of around 85-percent ethanol ...