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 ...

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 ...

Using premium gasoline with a higher octane rating can improve how certain designs of motor vehicle engines perform. But does that mean you should consider using it with other motors at your house, ...

Compared to older days, gas prices haven't exactly been kind over the last few years, and with continued instability around the oil-producing parts of the world, it may not get much better anytime ...

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 ...

We've all seen octane ratings at the fuel pump, and based on the numbers, it's easy to think the higher number is better. From lowest to highest, the types of gasoline are regular, mid-grade, and ...

Premium Gas Isn’t Better. It’s Octane vs. Detergent Premium gas’s higher octane prevents engine knock, not increased power or mileage. Only use premium if your vehicle’s manual specifically requires ...

When you think of premium gas, the chances are that you're not thinking of weed eaters, but rather exotic supercars with banks of cylinders and a roar that shakes the sidewalk. For instance, premium ...