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

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

What is octane rating? What is cetane number? Gas & diesel ratings. What is octane rating? What is cetane rating? When ...

If you've ever fueled up in Colorado, you might have noticed something unusual about the gas octane ratings at the pump – specifically, the availability of 85-octane gasoline. This lower octane fuel ...

Gas stations are well integrated into our daily lives as Americans. Except for residents of NJ, where you don't have to pump your own, a gas station can be intimidating with its cryptic displays and a ...

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 ...

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