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Oxygenated fuels (like ethanol and mtbe additives) have existed in some parts of the country for over twenty years. These are fuels with alcohols are meant to force carbureted engines to run leaner (to lower CO emissions) while fuel injected cars simply make up for the difference by using more fuel.
Any modern car has to be compatible with E10 fuels in both they way they run and in thematerials used. There's nothing to worry about there.
Although ethanol has a lower energy content than gasoline, it actually has a higher octane number, so preignition is not a problem.
All gasolines are not created equally and some may be low quality in formulation or may even be too old. It's a good idea to use gasoline from a major oil company to reduce the risk of quality problems.
As far as the amount of energy required to produce ethanol, that's a matter of great debate.
Last edited by blue2000s; 09-14-2008 at 08:35 PM.
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