Comment Letter on the Proposed Advanced Clean Fleets Regulation Submitted by the Otay Mesa Chamber of Commerce Categories Topics California is Going Zero Emissions, On-Road Heavy-Duty Vehicles Programs Advanced Clean Fleets Type Information Otay Mesa Chamber of Commerce (Chamber) letter forwarded to the Board by request. Documents Comment Letter on the Proposed Advanced Clean Fleets Regulation Submitted by the Otay Mesa Chamber of Commerce BOARDMEMOOTAYCOMMENTSACF_ADA.PDF · 649 KB Related Resources OBD Test Devices Overlap between the Clean Truck Check and the Periodic Smoke Inspection Program (PSIP) Credentialed Tester