Quote:
Originally Posted by cdavisdb
Since we are talking about alcohol gas, an observation:
When E10 first showed up, I kept track of my work truck milage, over and over, switching back and forth between alcohol and the cheapest non-alcohol gas. Consistently, I got more miles from the non-alcohol gas, something like 3-5 percent.
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Thats about right; the heat content of alcohol is lower than gasoline and the E10 blend runs 4-5% lower than for straight gasoline.