If you spend a lot of time driving in various areas of the country, you might notice that some gas stations carry 91 octane ...

The price displayed above that third button on the gas pump averaged more than $5.40 for several days this spring. American drivers still couldn’t get enough.

High-octane fuels are critical for the proper operation of some performance engines due to how they're engineered to deliver ...

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 ...

The next time you refuel, you may notice several different grades of gasoline for sale. You are probably familiar with regular unleaded and premium unleaded. But there is another grade in between, ...

Add Yahoo as a preferred source to see more of our stories on Google. Those who fill up with 87 octane fuel may be the smart ones.