On-Road Heavy-Duty GHG Vehicle Certification Program: California Test Procedures GHG Vehicles 2014+ (Phase 1) California Greenhouse Gas Exhaust Emission Standards and Test Procedures for 2014 and Subsequent Model Year Heavy‑Duty Vehicles Categorías Topics On-Road Heavy-Duty Vehicles Tipo Information This document contains the majority of the requirements necessary for Phase 1 greenhouse gas certification of a heavy-duty vehicle for sale in California. Related Resources Enhanced Electric and Fuel Cell Vehicle Certification Freight Contractor, Broker-Clean Truck Check Requirements Mobile Source Strategy
