Heavy-Duty GHG Vehicle Certification Programs: HD GHG Phase 2 Application Template Heavy-Duty GHG Vehicles Certification Template Categories Programs Heavy-Duty Greenhouse Gas Certification Program Type Form Contact Heavy-Duty Greenhouse Gas (HDGHG) Email hdghg@arb.ca.gov Phone (951) 542-3082 Manufacturers of heavy-duty vehicles subject to the greenhouse gas phase 2 regulations must submit applications for certification using this template. EPA EV-CIS (Verify) forms will not be accepted. Documents GHG Phase 2 Application Template CARB GHG_PHASE_2_APPLICATION_TEMPLATE VER2.0_2.XLSX · 4.608 MB