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Originally Posted by DMcCunney
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And use as motor fuel varies. Corn is something whose oil can be refined into biodiesel. (So are soybeans, which also get refined to biodiesel.) As the name implies, biodiesel is useful if your vehicle has a diesel engine. It's no help in a standard automobile that expects gasoline.
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Dennis
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Dennis, there are two ways to convert corn to fuel; one is as you say refining the corn oil into biodiesel. The other is to ferment the sugar/starch in the corn to produce ethanol which is then mixed with gasoline to increase the volume. gasoline pumps here have signs saying that the gasoline may contain up to 10% ethanol.
Although I don't know if it's economical I'd think one could do both with the same corn. First squeeze out the oil, then ferment the remaining mash.