On-Road Heavy-Duty GHG Vehicle Certification Program: California Test Procedures ZEP 2021+ Proposed California Standards And Test Procedures For New 2021 And Subsequent Model Heavy-Duty Zero-Emission Powertrains Categories Topics On-Road Heavy-Duty Vehicles Type Information This document contains the requirements necessary for criteria pollutant and greenhouse gas certification of a heavy-duty electric or hydrogen fuel-cell powertrain for sale in California. Documents California Standards And Test Procedures For New 2021 And Subsequent Model Heavy-Duty Zero-Emission Powertrains ADA__CALIFORNIA STANDARDS AND TEST PROCEDURES FOR NEW 2021 AND SUBSEQUENT MODEL HEAVY-DUTY ZERO-EMISSION POWERTRAINS.PDF · 255 KB Related Resources Comment Letter on the Proposed Advanced Clean Fleets Regulation Submitted by the Otay Mesa Chamber of Commerce Truck and Bus Regulation Final Compliance Deadline Memo to Board On-Road Heavy-Duty Voucher Incentive Program (VIP) Factsheet
