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 Categories Topics On-Road Heavy-Duty Vehicles Type 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. Documents California Greenhouse Gas Exhaust Emission Standards And Test Procedures For 2014 And Subsequent Model Heavy-Duty Vehicles ADA__CALIFORNIA TEST PROCEDURES GHG VEHICLES 2014+ (PHASE 1).PDF · 101 KB Related Resources Mobile Source Strategy Database Reporting Requirements Guidance to Vehicle Owners on 2024 Periodic Testing Requirements for Vehicles Subject to Annual Testing: California Registered Motorhomes and Agricultural Vehicles
