On-Road Heavy-Duty Certification Program: Examples of Heavy-Duty Engine/Vehicle Labels CISD-06-19: New Examples of Vehicle Emission Control Information (VECI) Labels and Heavy-Duty Engine Labels Categories Topics On-Road Heavy-Duty Vehicles Programs On-Road Heavy-Duty Certification Program Tipo Information Contact Compression Ignition and Heavy-Duty Certification Email cihd@arb.ca.gov Phone (800) 242-4450 This EPA letter provides examples of vehicle labels for manufacturers of heavy-duty vehicles (HDVs) between 8,500 and 14,000 pounds gross vehicle weight. It also provides an example of a heavy-duty engine (HDE) label. 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