Folks have been experimenting with ethanol in modern combustion engines even when they weren't so modern. Nicolaus Otto, the inventor of the traditional four-cycle engine, used it to power one of his ...

Ethanol only contains two thirds the amount of energy of an equivalent amount of gasoline, yet engines make more power burning it than gasoline. This video from Engineering Explained will tell you why ...

Forbes contributors publish independent expert analyses and insights. I analyze petroleum economics and energy policy. Tempted by lower priced ethanol? Keep in mind that the corn-based moonshine ...

87 octane gasoline, often called "regular" gas, is one of the most commonly used fuels in the United States. But what gives it that 87 rating is a word you've probably heard a time or two: Ethanol.

If you're a casual driver and don't pay much mind to the specifics of fuel composition, filling up at the gas station can be confusing, especially if it's a new car. Whether you're topping off a ...