from wikipedia:
Quote:
In several states, ethanol is added by law to a minimum level which is currently 5.9%. Most fuel pumps display a sticker stating that the fuel may contain up to 10% ethanol, an intentional disparity which allows the minimum level to be raised over time without requiring modification of the literature/labeling.
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I know that E85 gas usually results in poorer gas mileage due to less energy per volume..so that means "using that example" that getting gas from Shell results in poorer gas mileage than another random gas station what uses pure gasoline???
Has somebody researched this before?