Health and Safety Code section 39040


“Motor vehicle pollution control device” means equipment designed for installation on a motor vehicle for the purpose of reducing the air contaminants emitted from the vehicle, or a system or engine modification on a motor vehicle which causes a reduction of air contaminants emitted from the vehicle.

Source: Section 39040, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=HSC§ionNum=39040.­ (updated Jan. 1, 1975; accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 39040's source at ca​.gov