The corn-based fuel has long been subsidized by the government, which should rankle Republicans. It's worse for the environment than gasoline, which should irk Democrats. And ethanol has been shown to drive up food prices, because farmers are devoting more acreage to corn for fuel instead of food.
Two recent developments warrant a reexamination of the fuel ethanol issue. First, on August 20, 2012, the Environmental Protection Agency (EPA) issued a call for comments on suspending the renewable fuel standard (RFS), sometimes known as the ethanol mandate: