On-Road Heavy-Duty Certification Program: Evaporative/Refueling Application Template Evaporative/Refueling Application Template Categories Topics On-Road Heavy-Duty Vehicles Programs On-Road Heavy-Duty Certification Program Tipo Form Contact Compression Ignition and Heavy Duty Certification Email cihd@arb.ca.gov Phone (800) 242-4450 Manufacturers of heavy-duty vehicles subject to the evaporative and/or refueling emissions standards must apply for certification. This document is provided as a template for certification, but other application formats may be accepted. Related Resources Workshop Discussion Draft 2020 Mobile Source Strategy - Comments Received On-Road Heavy-Duty and Off-Road Compression Ignition Certification Programs: Engine Model Summary Template Off-Road Compression-Ignition Certification Program: Assigned DF EPA Letter