There are uses for (some) ethanol in gasoline. It boosts octane and decreases CO production (smog) by increasing fuel oxygenation, for starters. Oxygenated fue

There are uses for (some) ethanol in gasoline. It boosts octane and decreases CO production (smog) by increasing fuel oxygenation, for starters. Oxygenated fuel is fuel with extra oxygen that is released during combustion. Nitromethane is an especially dramatic example: The oxygen content of nitromethane enables it to burn with much less atmospheric oxygen... The amount of air required to burn 1 kg (2.2 lb) of gasoline is 14.7 kg (32 lb), but only 1.7 kg (3.7 lb) of air is required for 1 kg of nitromethane