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Eligibility

Image by Acton Crawford

Eligibility

Find out if your vehicle is eligible for the CAAR program. Being eligible doesn't guarantee a repair. Repairs are approved based on the likelihood of improving air quality and the vehicle's condition. 

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If you're not sure if you are eligible, apply anyway! We will review your application materials and let you know if you will qualify.

Man in Suit Signing

Proof of Ownership

  • If under age 18, must have your parent/guardian sign all paperwork

  • Valid driver’s license

  • Title

  • Vehicle registration

Gasoline Pumps

Gasoline or Hybrid

  • Your vehicle must have a gasoline fueled internal combustion engine or Hybrid

  • No diesel powered vehicles

  • No electric

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Failed Emissions Test

  • Your vehicle must have a failed emissions test at a Colorado emissions testing facility

  • Exceptions may include your catalytic converter has been stolen or damaged

  • Or otherwise advised by an emissions technician

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Residency in Counties Listed

Only vehicles registered in these counties are eligible:

  • Adams County

  • Arapahoe County

  • Boulder County

  • Broomfield County

  • Denver County

  • Douglas County

  • Jefferson County

  • Larimer County

  • Weld County 

Under the Car

Vehicle must be over 8 Years Old and Newer than 2001

  • Only vehicle model years between 2001 and 2018 are eligible

  • Vehicles that are 2000 or older are not eligible for the program. 

Rusty Old Truck

Operational and Not Oversized

  • Mileage Limit - 300,000 or less

  • No altered tires/suspension or safety conditions that prevent testing

  • No deliberately tampered emissions control systems (except stolen emissions control devices)

  • No oversized vehicles such as RV's 

Contact Us

1445 Market St Suite 260 Denver, Colorado 80202

Tel. 303-629-5450

Ask for Jacob LaBure

© 2024-2025 CAAR by the Regional Air Quality Council 

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