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Teleman, it's been a proven fact for a long time that Ethanol makes more power even in traditional "Gasoline engines." It would be foolish mistake to claim Gasoline could ever approach Diesel levels of efficiency due to differences in engine design alone. Why are certain people insisting that Ethanol must do the impossible now to be competitive? Isn't it good enough that E85 is ~5% more efficient in flex fuel engines that are designed for Regular Gasoline?
BTW, Ethanol has been used in Compression ignited and Spark ignited engines. It has higher octane at Stoichiometric levels but at super lean mixtures it ignites much easier.
Things are changing and letting lower range continue to be an issue, is misguided short term thinking at best. Standard fuel tanks are already more than generous when manufacturers can claim 500+ miles between fillups. SUVs often have closer to 250 miles range if driven around town.
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-Allch Chcar
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