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

A large variety of fuel options and prices are available - Bill Ragan/Shutterstock Premium gasoline is for cars. More specifically, it's for a relatively small number of them that have engines with ...

The higher the fuel’s octane rating, the less likely it is to prematurely ignite and cause engine knocking. phive2015/Adobe Stock We see the numbers every day at the local gas station, with gas sold ...

Pasco Councilman Charles Grimm wants his city to explore a ban on high-octane alcohol being sold in downtown gas stations and convenience stores. High-octane drinks have alcohol content between 8-12% ...

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 ...

New gasoline grade designed for sports cars and high-performance engines will be rolled out in major cities and along key highways ...