Skip Navigation to main content U.S. Department of Energy U.S. Department of Energy Energy Efficiency and Renewable Energy
Bringing you a prosperous future where energy is clean, abundant, reliable, and affordableEERE HomeEERE Home
Alternative Fuels & Advanced Vehicles Data Center
About the AFDCFuelsVehiclesFleetsIncentives and LawsData, Analysis and TrendsInformation ResourcesHome
State and Federal Incentives and Laws

Colorado State Flag

Colorado Fuel Taxes

Alternative Fuels Tax and Vehicle Decal

Fuel tax exemptions are granted for compressed natural gas (CNG) and liquefied petroleum gas (LPG) vehicle owners. Owners of CNG and LPG fueled vehicles are required to purchase an annual tax decal as follows:

Gross Vehicle Weight Rating in Pounds (lbs.)Annual License Tax Fee
1-10,000 lbs$70
10,001-16,000 lbs.$100
Over 16,000 lbs.$125

All CNG and LPG vehicles must display a current fuel tax decal. Non-profit transit agencies are exempt from the fuel tax.

(Reference Colorado Revised Statutes 39-27-102.5)