Quote:
Originally Posted by Frank Lee
Kind of a leap to conclude that if E85 (roughly 85% ethanol) drops fe "27%" that E10 (roughly 10% ethanol- 75% less than E85) yields only 7% different results??? I've never experienced anywhere near a 20% fe drop because of E10.
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Agree. I can't find it now but a recent technical study of various ethanol blends showed that all cars have sweet spot ethanol blend where mileage is at its maximum - higher than either pure gas or E85. Some crs showed significant improvement at their sweet spot, others only a small amount. They tested several cars, including some that were not flex fuel. Sorry I don;t remmeber details but sweet spots were generally between E25 and E40. Maybe someone can find it with google.