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 ...

Imagine for a moment that you're the quintessential hands-on hobbyist. You've noticed that your Pontiac hasn't run its best as of late and all indications point to its Rochester Quadrajet as the ...

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 ...