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.

With vehicles powered by electricity and alternative fuels like emission-reducing biodiesel becoming available to drivers everywhere, moves to lessen humanity's reliance on fossil fuels are starting ...

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 ...

At $2.94 per gallon, Patricia Ann Smith pumped the E85 blend of gasoline and ethanol into her 2001 white Ford Ranger on Wednesday. "It's been a great money-saver for me," Smith said as she kept an eye ...

ST. PAUL - The message is loud and clear: Corn-based E85 fuel costs less than regular gasoline. "Any Minnesotan looking to buy a new vehicle should be sure to ask for a flexible-fuel engine, which ...

It’s not every day that a decision by the federal government can bring together environmental groups, cattle ranchers, the automobile industry and gas station owners, all in anger—but that’s biofuel ...

Bob Dylan wrote "The times they are a-changin'" way back in the '60s and those words still ring true today—even for the fuel you pump into the tank of your Mustang or Camaro. A growing trend is the ...