88 octane fuel has been making the rounds recently. But just how much does it matter compared to the usual 87 octane fuel ...

Here's what the "E15 Fuel Waiver" means, and everything you need to know about ethanol in gasoline to buy the right fuel for ...

E15 is aimed at reducing gasoline consumption as military conflicts around the world lead to a rise in fuel prices. In ...

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 ...

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 ...

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 ...

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 ...

Alaskans have wondered for years why they can't find gas higher than 90 octane. Oddly enough, we can't find one public acknowledgment of this limit by anyone in the oil industry or any government ...