Add Yahoo as a preferred source to see more of our stories on Google. DENVER (KDVR) — Gas prices are fluctuating across the country, and a few states offer a “cheaper” octane option that isn’t found ...

A School of Mines professor has tracked his gas purchases since 1989 and prefers 87 octane.

Sheetz is cutting the price of its 88 octane gas to $2.99 a gallon for the rest of August.Video above: 5 things you may not know about Sheetz.Sheetz said it's cutting the price to bring "relief to its ...

Gasoline is a mystery to most hot rodders. For the most part, we just fill up the tank and forget about the fuel. The most difficult question is whether to step up from 89 to 92 octane. As you might ...

Here's some practical, hands-on advice to help you save money when buying gas. Hint: Keep your car in shape and drive ...

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 ...

New York inspectors uncovered a widespread problem at gas stations that raises serious questions about fuel quality, labeling accuracy, and consumer trust.

The octane of gasoline you put in your car is a key ingredient in the combustion process—and it appears that many drivers in New York City haven't been getting the quality of gas they paid for, ...

76 Race Gasoline, the official fuel of NASCAR, is dispensed from a pump at the track. The gasoline is also available at the pump at distribution sites all across the country. Action is hectic during ...

DENVER (KDVR) — Gas prices are fluctuating across the country, and a few states offer a “cheaper” octane option that isn’t found in most places. It has to do with the altitude. Most states have the ...