Unveiling the Octane Ratings - from knocks to burns, demystify the numbers on the pump for optimal car performance. Get ...

Given the whole "driving on the other side of the road" thing, it's easy to assume driving in the United States and Europe are two very different things. Same for when you pull up to the pump in one ...

You might have seen Europeans complain that U.S. gasoline has a lower octane number, but what's the difference between ...

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 ...

If you're a new driver, you may be confused the first time you pull up to the gas station. Most pumps offer a selection of fuel types labeled with a number. Those numbers aren't the price but rather ...

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.

I recently replaced my wife's 2012 Mercedes-Benz E350 4Matic wagon with a 2016 Volvo V60 Drive-E, a station wagon that impressed me when this magazine had a similar Four Seasons test car in its fleet ...