Supposedly, an older car or truck can run E85 IF...you rejet the carb (if not, you'll be VERY lean indeed!), replace the rubber components in your fuel system with E85-friendly materials, adjust the mixture, and off you go!

Can't be too terribly different than running alcohol at the dragstrip.

Pessimist - Sees glass as half-empty. Optimist - Sees glass as half-full. Gov't- Sees glass and takes it from you because you have a glass.
Political Correctness: A philosophical belief system bereft of common sense and logic, that supports and rewards ignorance and stupidity.