Code of Alabama
Chapter 28 - Alabama Air Pollution Control Act.
Section 22-28-12 - Motor Vehicle Emissions.

(a) As the state of knowledge and technology relating to the control of emissions from motor vehicles may permit or make appropriate, and in furtherance of the purposes of this chapter, the commission may provide by rules and regulations for the control of emissions from any class or classes of motor vehicles. Such rules and regulations may, in addition, prescribe requirements for the installation and use of equipment designed to reduce or eliminate emissions and for the proper maintenance of such equipment and of such vehicles.
(b)(1) The commission may establish standards and requirements providing for periodic inspections and testing of motor vehicles by the commission to enforce compliance with this section.
(2) The commission may establish reasonable fees for the inspection and testing of motor vehicles and provide by rules and regulations for the payment and collection of such fees.
(3) If, after inspecting and testing any motor vehicle, the commission determines that such motor vehicle complies in every respect with rules, regulations, standards and requirements issued by the commission pursuant to this section, the commission shall attach to such vehicle in a clearly visible location a certificate of inspection and approval.
(c)(1) The commission may suspend or revoke the certificate of inspection and approval of any motor vehicle not equipped with an air pollution control system or mechanism in good working order and adjustment as required by the rules and regulations of the commission. The vehicle shall not thereafter be eligible for such certificate until all parts and equipment constituting operational elements of the motor vehicle have been restored, replaced or repaired and are in good working order.
(2) No motor vehicle shall be issued an official certificate of inspection and approval as required pursuant to this section unless all features or equipment required in or on the motor vehicle for the purpose of controlling emissions therefrom have been inspected in accordance with the standards and testing techniques required by the commission pursuant to subsection (b) of this section and have been found to meet these standards.
(3) No person shall drive or move and no owner shall cause or knowingly permit to be driven or moved on any highway any motor vehicle unless the vehicle is equipped with an air pollution control system or mechanism in good working order and adjustment as required by rules and regulations of the commission.
(4) When, and if, the commission shall establish standards and requirements for periodic inspections and testing of motor vehicles pursuant to subsection (b) of this section, no person shall drive or move and no owner shall cause or knowingly permit to be driven or moved on any highway any motor vehicle unless there is attached to such vehicle by the commission a valid certificate of inspection and approval which has not been suspended or revoked.
(5) Failure to comply with subdivisions (3) and (4) of this subsection shall subject the driver or owner to a penalty as provided in this chapter.
(d) The commission, in its discretion, is hereby authorized to delegate any, or all, of the authority vested in it by this section to any agency or instrumentality of the state now or hereafter authorized to inspect motor vehicles for any purpose.
(e) As used in this section, "motor vehicle" shall mean every self-propelled device in, or upon, or by which any person or property is or may be transported or drawn upon a public highway.

Structure Code of Alabama