HD I/M Background and Requirements

Date

Contact

Categories

Topics
Enforcement (https://ww2.arb.ca.gov/our-work/topics/enforcement)
Programs
Enforcement of Clean Truck Check HD I/M Regulation (https://ww2.arb.ca.gov/our-work/programs/heavy-duty-diesel-inspection-periodic-smoke-inspection-program)
Heavy-Duty Inspection and Maintenance (HD I/M) Regulation: Background and Program Requirements Starting in 2023
Source URL: https://ww2.arb.ca.gov/resources/fact-sheets/hd-im-background-and-requirements