702 out of 729 stations tested by the Department of Consumer and Worker Protection reportedly flunked at least one inspection ...

Fuel comes in different grades based on octane level at gas stations. Only some performance engines require Premium fuel for the best power output, fuel efficiency, and engine function. Are you ...

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 ...

Gas stations give you the choice between regular and premium gasoline, but does it always mean that paying extra gives you actual premium gas?

New York inspectors uncovered a widespread problem at gas stations that raises serious questions about fuel quality, labeling accuracy, and consumer trust.

The 2026 Jeep Grand Cherokee’s new 2.0-liter four-cylinder engine may not appear to be a dramatic improvement at first glance ...

Another race fuel concentrate is available from RACE GAS, featuring a patented unleaded formula that will raise the octane of pump gas up to 105. This product will not harm catalytic converters, O2 ...

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 ...