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?

You have a choice when you pull up to the pump. Most gas stations have three choices for fuel for your vehicle, based mostly on octane ratings. Which one is the best for your vehicle? A lot of that ...

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 ...

View post: This 'Amazingly Bright' Keychain Flashlight Is on Sale for $14 at Amazon Many of us will remember the days when you could stop at a gas station, throw in $5 of 87 octane, and hit the road ...

At its core, gasoline, whether made for regular road use or the race track, is just a mix of hydrocarbons combusted in an engine. The primary differences lie in additives, octane levels, and how the ...

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 ...