Emissions Information
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Gas Vehicles Enhanced Program Area The full counties of Boulder, Broomfield, Denver, Douglas and Jefferson as well as the partial counties of Adams and Arapahoe.
Basic Gasoline Emissions Program Larimer, Weld and El Paso counties will no longer require emission testing as of 01/01/2007. |
Diesel Vehicles
Emissions Program Area
The full counties of Boulder, Jefferson, Broomfield, Denver, and Douglas, and the partial counties of Adams and Arapahoe, Larimer, Weld, and El Paso.