Gas stations have offered different types of gas for decades. There's a widespread belief that high octane gas can clean your engine, but is it true?

We've all seen octane ratings at the fuel pump, and based on the numbers, it's easy to think the higher number is better. From lowest to highest, the types of gasoline are regular, mid-grade, and ...

Some of the company’s high-performance models like the Cadillac CTS-V and Corvette ZR1 are designed to take advantage of the additional octane found in premium fuel.

Standard fuel typically comes with an octane rating of 87-94, but high-performance racecar engines require a higher octane rating, up to 120 or even higher, to maximize power and withstand greater ...