Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...

A Fort Collins Safeway store is warning customers that some unleaded gas may have been contaminated with diesel. Some say ...

Denver gas prices surged 16.6 cents per gallon last week, but one expert said don't blame the increase on a recent diesel mix ...

Friday is the deadline for Sinclair Oil to provide the State of Colorado with information on how some gas stations sold gas ...

A GM service bulletin denies warranty coverage for repairs due to diesel contamination in gas cars, advising owners to seek reimbursement from fuel suppliers.

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

Using diesel fuel can have serious consequences on a gasoline engine.

Getting your Trinity Audio player ready... A number of Colorado gas stations distributed contaminated fuel to customers this week, state officials said. Here’s which Colorado gas stations pumped ...

Cars around Denver, Colorado, began sputtering to a stop last week, despite their recently topped off tanks. It turns out, a fuel supplier accidentally sent diesel instead of gasoline to several gas ...

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

Colorado officials say the number of people who have filed complaints that they purchased contaminated gas​ recently is now over 400, double the number it was on Saturday.

Add Yahoo as a preferred source to see more of our stories on Google. DENVER (KDVR) — Hundreds of drivers across the Denver metro area are taking their vehicles to repair shops this week after filling ...