Colorado’s Division of Oil and Public Safety has received more than 600 complaints from drivers who experienced engine issues ...

More than 400 complaints have been filed with the Division of Oil and Public Safety after contaminated fuel containing diesel ...

How a vehicle built to run on unleaded fuel reacts when diesel is introduced to the mix depends on a number of factors, including how long the vehicle is driven post “infection” and the ratio of ...

Anyone who got gas Wednesday after 2 p.m. or Thursday and thinks they were affected can file a complaint with Colorado's ...

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

There's still no complete list of Colorado gas stations that received diesel instead of unleaded fuel last week, causing car trouble for hundreds of drivers across the Front Range. Last week, state ...

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

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

A Colorado truck repair shop that disabled emissions control equipment on hundreds of heavy duty trucks' diesel engines was recently penalized and its owner sentenced to a year behind bars. In April ...