Emissions

Emission Alerts

February Renewal Cards are delayed three weeks. If you have a vehicle that expires in February and are unsure if your vehicle needs an emissions test, you are encouraged to first try to renew your vehicle on mydmv.colorado.gov, prior to visiting an emissions testing center. 

 

Other Emissions Alerts

View Tampering of Emissions Controlled Systems

View Grey Market Vehicles

How do I know if my gasoline or diesel vehicle needs an emissions inspection?

To view the 2021,emissions requirements for a gasoline vehicle

To view the 2021,emissions requirements for a diesel vehicle

My vehicle failed the inspection. What can I do?

GAS AND DIESEL WAIVER QUALIFICATIONS

Type of Waiver

Requirements

Reasons Waiver Request Will be Denied

Detail

Repair Waiver – Gasoline Powered Vehicles

1968 and newer gas vehicles:

$715 in emissions related repairs

  • Visible Smoke
  • Missing or tampered emissions equipment
  • Failing gas cap (evaporative system)

Can be granted when all requirements are met

1967 and older gas powered vehicles:

$75 in emissions related repairs

Economic Hardship Waiver – Gasoline Powered Vehicles only

No minimum repairs necessary.

 

Vehicle owner must be receiving assistance from an established and approved public assistance program.

 

Vehicle must be the sole means of transportation.

Visible smoke.

 

Missing or tampered emissions equipment.

 

Failing gas cap (evaporative systems)

Can be granted only once per vehicle.

Repair Waiver – Diesel Powered Vehicle

Light-duty (14,000 GVW or less):  $750 in emissions related repairs.

Missing or tampered emissions equipment.

Can be granted when all requirements are met.

Diesel vehicles are not eligible for hardship waivers

Heavy-duty (14,001 GVW or more)  $1500 in emissions related repairs

If you or your mechanic have completed repairs, but spent less than the required amount as specified in the above chart for a waiver, and your vehicle is still unable to pass an emission inspection, please contact the technical center nearest you to schedule an appointment for a diagnostic evaluation. Emissions Technical Center Locations and phone numbers:

Emissions Technical Centers Locations - Colorado Department of Public Health & Environment

If you believe you qualify for a waiver or time extension please apply online at: https://mydmv.colorado.gov

What are the requirements for Sellers and Dealers?
  • At the time of sale the seller is required to provide the buyer with a passing emissions test that has not been used previously to register a vehicle or renew a vehicle registration.
  • Colorado dealers are required to provide a passing emissions test or a voucher good for one emissions test at the time of sale.
  • C.R.S. 42-4-310
What do I need to bring to an emissions inspection?

You will need to bring the vehicle to be inspected and payment for the inspection (cash, check, VISA, Mastercard, or Discover). Please wear a mask. Thank you.

My vehicle is disabled. Can I sell it in the emissions program area?

An inoperable vehicle may legally be transferred or sold in the emissions area if certain criteria is met. Please contact us at 303-205-5603 for assistance in determining if your vehicle may qualify.

If I have an exempt sticker on my windshield does that mean I don't need an emission inspection?

Vehicles are currently exempt from the emission inspection for the first seven (7) model years after which, vehicles are inspected on a biennial basis. Please contact us at 303-205-5603 for assistance in determining if your vehicle needs an inspection.

I have a new windshield. Do I need to replace the exempt sticker?

No, the sticker is simply to inform consumers of the exempt status of the vehicle.

I have collector plates. Do I need an emission inspection?

You may. Please contact us at 303-205-5603 for more information.

I need an extension on my Registration/Temporary Registration. What do I do?

Contact your County Motor Vehicle Office before the registration expires for assistance on obtaining an extension.

Which vehicles are exempt from an emissions inspection?

Gasoline vehicles are exempt from an emissions test for the first seven model years. Diesel vehicles are exempt from an emissions test for first four model years. However, there is an exception.

If the ownership of a gasoline vehicle is being transferred in the last year of the seven year exemption, an emissions test will be required. For example, in 2021, an emissions test will be required if the ownership of a model year 2015, is transferred.

If the ownership of a diesel vehicle is being transferred in the last year of the four year exemption, an emissions test will be required. For example, in 2021, an emissions test will be required if the ownership of a model year 2018, is transferred.

Additionally, the following vehicle are exempt from an emissions inspections:

  • Kit cars,
  • all-electric vehicles,
  • motorcycles,
  • horseless carriage, 
  • vehicles registered as street rods
  • farm vehicles 
How do I report a smoking vehicle?

If you see a vehicle emitting excessive smoke, please report its license plate number (and, if possible, whether it is gasoline- or diesel-powered) to Colorado's Smoking Vehicle Hotline: 303-692-3211 / cdphe.smokeline@state.co.us.

I received notice that my vehicle requires an emissions inspection, but the vehicle is out of state. What can I do?

If an emissions inspection is required for a vehicle that is temporarily out of state, provide the following to the your Colorado County Motor Vehicle Division:

  • Completed emissions extension form (DR 2376). You may also go online at mydmv.colorado.gov. Select Vehicle Services and then select, "Apply for out-of-state emissions extension". You will still have to provide the following documentation:
  • If the County in which the vehicle is currently located, does emissions testing, provide proof of a passing emissions test.*
  • Provide a copy of current insurance.
  • Renewal reminder postcard, if available.
  • Registration payment.
  • Registrant's contact information including a phone number and email address.

*If emissions testing is not performed in the county where the vehicle is located, a VIN verification form (DR 2698) must be completed by a law enforcement officer or out of state DMV office and submitted. The vehicle must also be emissions tested within 15 days of returning to Colorado.

For questions or concerns regarding the out of state emissions extension process, please call the Colorado Department of Revenue Motor Vehicle Emissions Program at 303-205-5603 or apply online at: https://mydmv.colorado.gov/

 
**The following states do not have emissions testing: Alabama, Alaska, Arkansas, Florida, Hawaii, Iowa, Kansas, Kentucky, Michigan, Minnesota, Mississippi, Montana, Nebraska, North Dakota, Oklahoma, South Carolina, South Dakota, Washington, West Virginia and Wyoming.
 
For states that do not have emissions testing, form DR 2698 Verification of Vehicle Identification Number, completed by Law Enforcement only is required in place of a passing emissions test.
 
States not listed above require testing for some vehicles in some areas.  Please check with your local out of state motor vehicle office to find out if emissions testing is required for your vehicle.