Heavy-Duty Inspection and Maintenance Program Back To All Programs Heavy-Duty Inspection and Maintenance ProgramAboutNewsResources HD I/M Fact SheetsHD I/M Tester Training Course and ExamCredentialed HD I/M Tester Public ListOBD Test DevicesSmoke Opacity Manufacturers with SAE J1667-Compatible MetersVehicle Emissions Control Equipment Inspection FormMeetings & Workshops Primary Contact Heavy-Duty Inspection and Maintenance Program Email hdim@arb.ca.gov Categories Topics Air Pollution, Enforcement News Nov 15, 2022 CARB deploys ‘Dirty Truck Detector’ along popular Fresno truck route Oct 25, 2022 Media Advisory: CARB deploys ‘Dirty Truck Detector’ at port enforcement event Oct 18, 2022 Media Advisory: CARB deploys ‘Dirty Truck Detector’ at border crossing enforcement event Dec 9, 2021 CARB passes “smog check” regulation for heavy duty trucks and buses Dec 9, 2021 CARB aprueba regulación para verificación de smog en camiones de carga pesada y autobuses
Oct 18, 2022 Media Advisory: CARB deploys ‘Dirty Truck Detector’ at border crossing enforcement event
Dec 9, 2021 CARB aprueba regulación para verificación de smog en camiones de carga pesada y autobuses
