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Originally Posted by redpoint5
I wonder just how good a vehicle designed to run only on E85 could be considering it has an octane rating of over 100?
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There were dedicated-ethanol cars in Brazil, yet they weren't so extremely tuned to take the most benefit from ethanol.
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Heck, are there even NOx considerations with that little petrol? Maybe direct injection and heat ignition become possible at that point.
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NOx and PM have increased on spark-ignition engines precisely due to direct injection becoming more widespread.