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 ...

Gas prices remain stubbornly high, with regular-grade fuel averaging $3.50 per gallon nationwide according to the AAA. That’s lofty enough, but for those who drive a car that requires premium-grade ...

Premium gas doesn't provide any more power or contain better additives than regular gas, and it contains the same amount of ethanol as other grades. It just resists detonation (knock) better than ...

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 ...

DENVER (KDVR) — Gas prices are fluctuating across the country, and a few states offer a “cheaper” octane option that isn’t found in most places. It has to do with the altitude. Most states have the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — Gas prices are fluctuating ...