Chances are, if you live in the United States, most of you are driving either a gasoline-powered car (or possibly an electric car) with a much smaller group daily driving something diesel-powered.

Fuel comes in different grades based on octane level at gas stations. Only some performance engines require Premium fuel for the best power output, fuel efficiency, and engine function. Are you ...

When filling up a MINI Cooper at your local gas station, you have the option to use either premium or regular gasoline. Although both types of fuel are acceptable, premium gas is recommended for MINI ...

Add Yahoo as a preferred source to see more of our stories on Google. Many drivers will begin to see a cheaper E15 gas blend at gas stations nationwide. But what is E15, and what makes it different ...