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^^^ yep, E85 produces less harmful emissions. You get some aldehydes but lose a lot of the aromatic HCs, and it burns at a lower temperature so there's less NOx. If everyone ran high ethanol fuel like they do in Brazil, all engines could have 13:1 compression ratio and we'd have 10% more powah too. 30% ethanol blend actually gets similar fuel economy to straight gasoline if you use a high compression engine.
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