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, ...

With all the different engine and combustion theories being tested at the Engine Masters Challenge, it made us wonder about the fuel these powerplants were gulping down. For the 2015 event, we had ...

Aside from the price, have you ever driven into the petrol station and wondered ...

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.

Drivers in New York City aren’t getting the fuel they pay for at gas stations. A report by the Department of Consumer and Worker Protection shows that almost every gas station in NYC has failed at ...