Customers at a Circle K in northeast Ohio who recently went to gas up their vehicles filled their tanks not with the unleaded ...

A Circle K gas station in Avon, Ohio, mistakenly swapped diesel and unleaded fuel, leaving customers with costly car repairs.

One livid customer demanded the company compensate him for the expensive repairs his car required after the costly blunder ...

The fuel station says diesel fuel was put into unleaded storage tanks and gas in diesel tanks. Impacted customers can call Circle K on its toll-free number if they suspect they are impacted.

At least 14 customers said they inadvertently filled up their vehicles with the wrong fuel on Jan. 19 at a gas station in ...

I jumped in the car to start it up, and it just started sputtering. Lights started flashing, and there was a giant puff of ...