A gallon of gasoline was about 71 cents ... and that the report authors forgot that corn ethanol can be made using sources of non-polluting energy.

Read more: 10 Best Motor Oil Brands, Ranked Ethanol-free gas is pretty much exactly what it says on the tin: Traditional fuel ...

So you've heard that some gasoline contains up to 10% "Ethanol." And maybe you've even been told that "evil" ethanol is bad ...