Ethanol "dirtier" then Oil.

wow, I think that I’m finally going to have to take JEG off of the IL.

Although, the increased petrol use by farm equip will be somewhat mediated by ethanol additions in that equip as well.

Hell, even Peterbuilt has started combining hybrid tech into their new over the road trucks.

Oh, and you’re missing bumper crops. Grains and such that are grown in corn lands on a rotating cycle, to keep the corn from destroying the soil.