Heavy-Duty GHG Vehicle Certification Program: California Test Procedures GHG Vehicles 2014+ (Phase 2) California Greenhouse Gas Exhaust Emission Standards and Test Procedures for 2014 and Subsequent Model Year Heavy‑Duty Vehicles (Attachment B) Categorías Programs Heavy-Duty Greenhouse Gas Certification Program Tipo Information Contact Heavy-Duty Greenhouse Gas (HDGHG) Correo electrónico hdghg@arb.ca.gov Teléfono (951) 542-3082 This document contains the majority of the requirements necessary for Phase 2 greenhouse gas certification of a heavy-duty vehicle for sale in California.
