Help Reduce Vehicle Emissions

Learn more about how you, your business, and your community can help to reduce exhaust emissions from idling cars and trucks by visiting the Engines Off! Colorado website. There you'll find strategies, tools, and templates to help create idling policies, active idling-reduction programs at schools and businesses, and ways to help fleets save fuel while reducing the non-operational idling.

Smoking vehicles are a significant source of air pollution from the transportation sector. To report a smoking vehicle, go to Colorado's Smoking Vehicle Hotline or call 303-692-3211 with the vehicle’s license plate number and, if possible, whether it is gasoline- or diesel-powered.

Colorado: The Official State Web Portal