Three people are in custody after thousands of gallons of diesel fuel were stolen from a gas station in Colorado's mountains. Steamboat Springs police say a Pilot gas station noticed thousands of ...

A train derailed in Loveland, Colorado, Wednesday morning, spilling hundreds of gallons of diesel fuel, according local officials. "A locomotive derailed off a switch. However, it did not tip over but ...

A motorist fills up the tank of a vehicle at a gasoline station in Littleton. (AP Photo/David Zalubowski, File) How a vehicle built to run on unleaded fuel reacts when diesel is introduced to the mix ...

Three and a half years after Gov. Jared Polis signed a bill enacting nearly $4 billion in new fees for roads and bridges, the Colorado Department of Transportation is asking for more fees. CDOT ...

During last week’s blizzards, one Colorado mountain town’s diesel supply — used to fuel snowplows and other heavy equipment — was running on empty. Dillon Town Manager Nathan Johnson said last week ...