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, ...

We may receive a commission on purchases made from links. Most gas stations have three options that you can put in your vehicle: regular, mid-grade (plus), and premium. These labels are also often ...

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, ...

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.

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 ...

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 ...

The price difference during a fill-up between regular and premium gas can be eye-opening. As of this writing, the U.S. Energy Information Administration reports that the average price for a gallon of ...

Are you overpaying for premium gas or getting suboptimal performance out of your car because you're feeding it the wrong fuel? Gasoline is categorized by octane ratings at gas stations. Most drivers ...