Section 39040.

Cal. Health and Safety Code - HSC § 39040.
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
“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: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

Starting a business in California? California LLC guide: costs and requirements