2016 Colorado Revised Statutes
Title 42 - Vehicles and Traffic
Regulation of Vehicles and Traffic
Article 4 - Regulation of Vehicles and Traffic
Part 3 - Emissions Inspection
§ 42-4-314. Automobile air pollution control systems - tampering - operation of vehicle - penalty

(1) No person shall knowingly disconnect, deactivate, or otherwise render inoperable any air pollution control system which has been installed by the manufacturer of any automobile of a model year of 1968 or later, except to repair or replace a part or all of the system.

(2) No person shall operate on any highway in this state any automobile described in subsection (1) of this section knowing that any air pollution control system installed on such automobile has been disconnected, deactivated, or otherwise rendered inoperable.

(3) Any person who violates any provision of this section commits a class A traffic infraction. The department shall not assess any points under section 42-2-127 for a conviction pursuant to this section.

(4) The air quality control commission may adopt rules and regulations pursuant to sections 25-7-109 and 25-7-110, C.R.S., which permit or allow for the alteration, modification, or disconnection of manufacturer-installed air pollution control systems or manufacturer tuning specifications on motor vehicles for the purpose of controlling vehicle emissions. Nothing in this section shall prohibit the alteration or the conversion of a motor vehicle to operate on a gaseous fuel, if the resultant emissions are at levels complying with state and federal standards for that model year of motor vehicle.

(5) Nothing in this section shall be construed to prevent the adjustment or modification of motor vehicles to reduce vehicle emissions pursuant to section 215 of the federal "Clean Air Act", as amended, 42 U.S.C. sec. 7549.