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Old 09-21-2011, 03:44 PM   #12 (permalink)
roosterk0031
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Found some ethanol data here

http://delphi.com/pdf/techpapers/2011-01-0900.pdf

By my calculations E85 has 30% less energy than E10, yet the Impala is only loosing about 16% in MPG, seems like it's more efficient with E85.
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