E85: Will it Save You Money?  Spikes in gas prices often turn
attention toward alternative fuels. Ethanol alcohol, in the form
of E85, is occasionally in the news due to political debates,
automotive marketing and the controversial rise in global food
prices. GM (the largest proponent) and other manufacturers each
sell a few so-called flexible-fuel models that can run on either
straight gasoline or E85. Is it worthwhile for you?  + Renewable
fuel + Uses up to 85 percent less imported petroleum + Less
money goes overseas + You don't have to pay a premium for a
flexible-fuel model  - Gets fewer miles per gallon than regular
gas - Environmental benefits unclear - Possible effects on
global food supply  What is E85?  E85 fuel is 85 percent ethanol
alcohol and 15 percent gas. The gasoline ensures that the engine
starts in cold weather, because straight alcohol won't (E85 is
actually E70 in the winter to ensure this). The ethanol in E85
comes from corn; most of the kernel is still available for use
in traditional p