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

Add Yahoo as a preferred source to see more of our stories on Google. Image credit: Wikimedia Dead money flows through gas pumps across America every single day, yet drivers keep paying premium prices ...

Are you overpaying for premium gas or getting suboptimal performance out of your car because you're feeding it the wrong fuel? Gasoline is categorized by octane ratings at gas stations. Most drivers ...

Aside from the price, have you ever driven into the petrol station and wondered ...

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 ...

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 ...

Famous for developing and manufacturing diesel engines, Cummins has just rolled out its first gas power plant in over one hundred years. The Cummins B6.7 Octane gasoline power plant is designed to set ...

For 25¢ a gallon the U.S. oil industry can now produce quantities of aviation gasoline so powerful that present airplane engines in production cannot make full use of it. Fuel technology has ...