_______ is a fuel produced by fermenting crops.
- solution, it has a somewhat sweet flavor, but in more concentrated solutions it has a burning taste. AN ALTERNATE FUEL SOLUTION: ETHANOL. Ethanol is an alcohol-based alternative fuel produced by fermenting and distilling any sugar based substrate or. starch crops that have been converted into simple sugars. Ethanol is most commonly used to increase octane and improve the emissions quality of gasoline. BENEFITS OF MFG ETHANOL.