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To get the most from our fuels, we need two things:
1. Engines designed around and dedicated to burning 100% pure ethanol.
2. Pure gasoline for our current vehicles.
Automakers can bump up the compression ratio and change the fuel maps for existing engines that burn only ethanol. That way they'll be able to squeeze as much power as possible from it.
Also, by getting the ethanol out of our gasoline, existing cars will get an instant 10% mpg boost.
However, running ANY amount of ethanol in cars designed for gasoline is foolish. No good comes from giving gasoline engines ethanol. The reason the oil companies aren't up in arms about it is because it doesn't actually decrease gasoline consumption. The volume displaced by the ethanol is on par with the MPG decrease. That extra volume may as well be air. The only favors done here, are for the corn farmers.
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