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.

Ethanol only contains two thirds the amount of energy of an equivalent amount of gasoline, yet engines make more power burning it than gasoline. This video from Engineering Explained will tell you why ...

The answer depends on the age of your vehicleBy Devin PrattYou might have noticed that some gas stations occasionally offer ...

Classic cars have always had the public eye, with some even choosing them to be their daily drivers. If that's the case, you better be informed about what kind of fuel you need to use. The best fuel ...

Prices of premium and regular grades of gasoline without ethanol are likely to rise in Nebraska and Iowa, and those fuels may become harder to find as oil refiners and fuel blenders driven by ...