Quote:
Originally Posted by rjsmith1973
Only benefit may be slightly better gas mileage since ethanol's combustion energy is lower.
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This. Ethanol actually burns cleaner, but but with a lot less energy. If the blend is E85, the difference in mileage can be substantial. Pure gasoline is almost 30% more powerful than E85. Ethanol is bad for your engine as well. If you put it in a vehicle that only gets used occasionally, it can cause catastrophic failures because of it's propensity to attract and absorb water.
