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

Tugboat was my family's 1987 Dodge Caravan, which faithfully served us for years until its transmission finally exploded one lovely summer afternoon. Her 3-liter V6 was electronically fuel-injected, ...

For automobile owners looking for ways to get maximum performance out of their vehicle, there is no particular shortage of options that can ensure your engine is, as the saying goes, "firing on all ...

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, ...

Premium and Top Tier gas sound good, but what’s really best for your car — and your budget? In some cases, these types of fuel are indeed better for your car — but for different reasons. Premium gas, ...

The answer is yes: You can mix 87 and 91 octane gasoline without blowing your engine to hell. With that out of the way, let's discuss what mixing different octane fuels does to your engine in terms of ...

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.

RIYADH — As Saudi Arabia prepares to introduce Gasoline 98 to the local fuel market, Saudi Fuel has clarified what the high-octane product is, how it differs from existing gasoline grades, and which ...