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 ...

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 the price of regular unleaded gasoline still in the $4-a-gallon range, the comparative price of premium is kind of a bargain at many stations. Really. When the price of regular surged this spring ...

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 ...

Unless you’ve been living in a cave—or drive an electric car—you know that gas prices have shot up to unprecedented highs, due to multiple factors that have been further exacerbated by the Russian war ...