New Mexico requires emissions testing at the time of registration for vehicles registering in Bernalillo County. All 1986 and newer motor vehicles up to 10,000 lbs GVW must pass an emission test every two years and at change of ownership.
Diesel Vehicles:
No Required Emission Test
Exemptions:
1. New vehicles for four years following initial registration from the date of manufacturer's certificate of origin (MCO).
2. Dedicated Electric Vehicles.
3. Vehicles that are only used for legally sanctioned competition.
4. Vehicles with a GVWR of more than 10,000 lbs.
5. Vehicles that are not operated on public streets and highways.
6. Vehicles older than 35 years.
For more information visit: http://www.cabq.gov/
New Mexico Statutes
§ 66-3-844. Mufflers; prevention of noise; emission control devices
A. Every motor vehicle shall at all times be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise, and no person shall use a muffler cutout, bypass or similar device upon a motor vehicle on a highway.
B. The muffler, emission control equipment or device, engine and power mechanism of every motor vehicle shall be so equipped and adjusted as to prevent the escape of excessive fumes or smoke.
C. Every registered gasoline-fueled motor vehicle manufactured or assembled, commencing with the 1968 models, shall at all times be equipped and maintained in good working order with the factory-installed devices and equipment or their replacements designed to prevent, reduce or control exhaust emissions or air pollution.
