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Old 06-23-2011, 09:06 PM   #106
Allch Chcar
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It's definitively the MPG loss. I have plenty of tech document links that show thermodynamic efficiency to be very similar(<5% difference) to regular gasoline for mid blends of Ethanol and they get better the higher the blend. The difference gets larger the higher compression ratio, from what I've seen.

The thermodynamic efficiency is similar in FFVs for E85 and Gasoline, it's the MPG that is vastly different.
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