HD I/M Tester Training and Examination PRINT Fecha Febrero 14, 2023 Contacto HD Vehicle Enforcement Correo electrónico HDVehicleEnforcement@arb.ca.gov Teléfono (916) 229-0492 Categorías Temas Enforcement Programs Enforcement of Clean Truck Check HD I/M Regulation Heavy-Duty Inspection and Maintenance (HD I/M) Regulation: HD I/M Tester Training and Examination