Comment Letter on the Proposed Advanced Clean Fleets Regulation Submitted by the Otay Mesa Chamber of Commerce Categorías Topics California is Going Zero Emissions, On-Road Heavy-Duty Vehicles Programs Advanced Clean Fleets, Drayage Trucks at Seaports & Railyards Tipo Information Otay Mesa Chamber of Commerce (Chamber) letter forwarded to the Board by request. Related Resources On-Road Heavy-Duty Certification Program: California Test Procedures Fill Pipes 2015+ (Amended: May 31, 2019) HD/OFCI Production Report Templates Enhanced Electric and Fuel Cell Vehicle Certification