The Division of Oil and Public Safety started receiving complaints Thursday after diesel was loaded from a Sinclair terminal ...

The Costco gas station on Barnes Road has been confirmed as one of the locations affected by a gas and diesel mix-up ...

A Colorado Springs Costco has been confirmed as the first in Southern Colorado discovered to be impacted by a shipment of ...

At least 19 gas stations across the Denver metro area received contaminated unleaded fuel from a third-party supplier, King ...

State officials believe the contaminated fuel originated from the HF Sinclair terminal in Henderson, and was then sent out to ...

Contaminated gas was sent to "numerous" Colorado gas stations, spurring an investigation into gas sold at Costco, King ...

State officials have received hundreds of complaints from drivers about the contaminated fuel, leading to investigations to ...

At least 13 gas stations, possibly more, in the Denver metro area received unleaded gasoline contaminated with diesel, ...