If you've ever fueled up in Colorado, you might have noticed something unusual about the gas octane ratings at the pump -- specifically ... where regular gasoline starts at 87-octane.

87 octane gasoline ... It's the standard formulation for most fuel sold at American pumps. Interestingly, the base gasoline in this mixture, known as "sub-octane," actually has a rating of ...

PITTSBURGH (KDKA) - If you haven't heard, a local gas station, Sheetz, is running a holiday sale on gas through the Fourth of July. Prices for their 88 octane gas, known as UNL88, will be set at $ ...

In addition to confusing gas prices, motorists encounter a set of numbers each time they visit the pump ... octane rating. The regular gasoline most people purchase typically has an octane rating ...

At most gas pumps, you’ll have three selections – 87, 89, and 92 or 93 – AAA spokesperson Devin Gladden tells Nexstar. Those numbers reflect the fuel’s octane level, which is a measure of ...

Some cars require premium high-octane gasoline, others just recommend it, and most cars are fine running regular 87-octane fuel (it ... you can pick from the gas pump comes down to understanding ...

Most states have the option of choosing octane ratings of 87 (regular), 88–90 (midgrade) and 91–94 (premium). But in a few states, the gas pumps look a little different. “It’s mainly ...