Colorado Statutes

§ 42-4-412 — Air pollution violations

Colorado § 42-4-412
JurisdictionColorado
Title 42Vehicles and
Art.Regulation of Vehicles and Traffic

This text of Colorado § 42-4-412 (Air pollution violations) is published on Counsel Stack Legal Research, covering Colorado primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Colo. Rev. Stat. § 42-4-412 (2026).

Text

(1)(a) A person commits a class A traffic infraction if the person causes or permits the emission into the atmosphere from:
(I)Any motor vehicle, including a motorcycle, powered by gasoline or any fuel except diesel of any visible air pollutant as defined in section 25-7-103 (1.5), C.R.S.;
(II)Any diesel-powered motor vehicle, of any visible air pollutant, as defined in section 25-7-103 (1.5), C.R.S., which creates an unreasonable nuisance or danger to the public health, safety, or welfare.
(b)Violations of this section may be determined by visual observations, including the snap acceleration opacity test, or by test procedures using opacity measurements.
(c)The provisions of paragraph (a) of this subsection (1) shall not apply to emissions caused by cold engine start-up.

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Legislative History

Source: L. 94: Entire title amended with relocations, p. 2322, � 1, effective January 1, 1995. L. 95: (1)(a) amended, p. 955, � 12, effective May 25. L. 96: (2) amended, p. 1263, � 171, effective August 7. L. 2002: IP(1)(a) amended, p. 1561, � 366, effective October 1. L. 2003: (1)(b) and (4)(c) amended, p. 1025, � 5, effective August 6. L. 2009: (3)(b) amended, (SB 09-003), ch. 322, p. 1720, � 5, effective June 1. L. 2021: IP(1)(a) amended, (SB 21-271), ch. 462, p. 3304, � 727, effective March 1, 2022.

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Bluebook (online)
Colorado § 42-4-412, Counsel Stack Legal Research, https://law.counselstack.com/statute/co/42/42-4-412.