Emissions Testing

Colorado’s emissions testing laws are changing beginning January 2015.  The most significant change is that newer vehicles will need to be tested after seven instead of the current four model years.  This law was changed because new vehicles are being designed to stay efficient for a longer amount of time.  For information on the new laws and what they mean for your vehicle, whatever its age, see this information from the Colorado Department of Public Health and Environment (CDPHE).

Emissions testing in Colorado is overseen by CDPHE’s AIR Program.  The program’s annual reports are available online from our library.  For further information including locations and hours of testing stations and information on RapidScreen roadside emissions testing, see the CDPHE’s Automobile Emissions Inspection webpage.

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