Whether you call it "premium," "super unleaded," or even "high test," it all means the same thing -- the most expensive gasoline at the pump. In a somewhat counterproductive trend, the ...

How high of an octane does your car actually need to run well? Here's what to know about the consequences of using the wrong ...

Is premium fuel worth the extra cost over regular ... 80 percent of the gasoline sold in the United States is regular unleaded,” that’s an estimated 140 billion gallons per year.

CPC Corp, Taiwan (CPC, 台灣中油) and Formosa Petrochemical Corp (台塑石化) yesterday announced that they would raise gasoline and diesel prices this week, after keeping fuel prices unchanged for two weeks ...

Diesel fuel was stored in an underground tank tied to an unleaded gasoline pump at a Circle K in Avon, Ohio, resulting in ...

The deal lasts through the end of November and is available at 505 Sheetz locations that sell that type of gas. Customers can check if their local Sheetz sells Unleaded 88 through the Sheetz ...

Customers at a Circle K in northeast Ohio who recently went to gas up their vehicles filled their tanks not with the unleaded fuel they had selected but diesel. The mishap, which was first ...