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 ...

Is Premium or Mid-Grade Fuel Worth the Extra Money? Premium gas does have the same amount of ethanol as other grades, but it doesn’t provide any more power or contain better additives than regular gas ...

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 ...

Most Arizona gasoline consumers must use an ethanol blend during the winter season. State law mandates that fuel sold in the Phoenix area must include a 10 percent blend of ethanol, by volume, between ...

Most don’t look into things when it comes to fuel and just put in whatever’s recommended to them by mechanics or the car manual. However, you might find yourself in a position where you won’t be able ...

In an effort to hold down gasoline prices, President Joe Biden will allow sales of E15 gas – a motorist fuel with a 15% blend of ethanol – during the summer months. Prices have been rising along with ...

The Environmental Protection Agency has announced a final rule permitting drivers in eight Midwestern states to use a higher blend of ethanol year-round. The fuel additive consumes roughly 40% of the ...