Ethanol apparently has 1/3 less energy per gallon than straight gasoline so E10 (10% ethanol and 90% gasoline) should decrease your mileage by about 3.3%
Quote:
Originally Posted by Shimpy
Champion, this doesn't suprise me because ethanol has less energy than gas, and when you replace 10% of your gas with 10% ethanol you can't get the same performance. When ethanol first came out I found I got about 10% less mileage on my truck, car and motorcycle.
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