Our gas is listed in a range of octane offerings, but American automakers are looking to simply that. By doing so, they say, they'll clean up the air, boost fuel economy, and save us money at the pump ...

While our automobiles have experienced remarkable changes over the past several decades, the fuels we put in them have not. Specifically, the octane rating of regular gasoline today is the same as it ...

Gasoline is a mystery to most hot rodders. For the most part, we just fill up the tank and forget about the fuel. The most difficult question is whether to step up from 89 to 92 octane. As you might ...

What is octane, and why should I care? Octane ratings are prominently displayed in large black numbers on a yellow background on gasoline pumps at thousands of gas stations across the country. Most ...

There are two major elements that bring the Corvette mystique to life. First is power. Power animates the drivetrain and gets your Corvette moving so you can enjoy the thrust and handling enhancements ...

With that in mind, the EPA is currently looking into this issue, though nothing will likely get done until the next set of fuel economy and emissions standards take effect after 2025. Still, lobbying ...

Anyone that’s ever topped off their tank or filled up a jerry can knows gasoline comes in different grades, from regular unleaded to pricey premium. Each “flavor” has a number that corresponds to its ...

In the June 2006 issue of Motor Trend, our "Strike Force: Target Z06" cover story highlights the track test five of America's hottest tuner vehicles against America's best factory supercar: the new ...

Car Care is a twice-monthly series offering maintenance best practices and DIY tips for car owners. You’re not alone in thinking that pumping gas has gotten more confusing. With more fuel options than ...