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

We all want the best for our cars and trucks, but is premium gas worth the premium cash?

How high of an octane does your car actually need to run well? Here's what to know about the consequences of using the wrong ...

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 ...

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 ...

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 ...

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 ...

DENVER (KDVR) — Gas pumps in some Western states look a little different than the rest of the country. Most states have the option of choosing octane ratings of 87 (regular), 88–90 (midgrade) and ...