Learn when premium fuel is actually required, what the different grades mean, and how to avoid paying too much.

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 you go to a gas station, you are presented with several types of fuel, each labeled according to an octane number. While most cars can do with regular gas (generally 87 octane), it is often ...

Every time you gas up, you're faced with the decision. Do you press the "regular" or "premium" button at the pump? Are you ruining your car when you opt to save a few bucks, or are you pouring money ...

Some vehicles with premium fuel recommendations can run on regular octane gasoline. A hard-to-press brake pedal on startup could indicate a loss of vacuum in the power booster system. Compact, ...

Harley-Davidson motorcycles are an iconic American staple, but buying one of them is a big investment. There are a few slightly more affordable Harleys out there for new riders and those who are ...