USAToday: Midwest, move over: Ga. joins the ethanol gold rush.
"Only 6 million cars, called "flex-fuel," can run on ethanol or gasoline. Car companies have pledged to make half their fleet flex-fuel by 2012." Savings? "Also, E85, on average, costs 13% less per gallon than gasoline, but it reduces mileage by as much as 25%."