On-Road Heavy-Duty and Off-Road Compression Ignition Certification Programs: 2013 Family Naming Conventions CD-12-01: EPA Standardized Naming Conventions for Model Year 2013 and Later Heavy‑Duty Highway Vehicle Family Names Categories Programs On-Road Heavy-Duty Certification Program, Off-Road Compression-Ignition Certification Program Type Information Contact Compression Ignition and Heavy-Duty Certification Email cihd@arb.ca.gov Phone (800) 242-4450 This naming guidance letter is a revision of the CD-12-01 issued on January 12, 2012. This letter addresses the naming convention of vehicles with GVWRs below 14,000 lbs. that are not chassis-certified. Documents 2013 Family Naming Convention ADA__EPA STANDARDIZED NAMING CONVENTIONS FOR MODEL YEAR 2013 AND LATER HEAVY‑DUTY HIGHWAY VEHICLE FAMILY NAMES.PDF · 2.581 MB Related Resources On-Road Heavy-Duty and Off-Road Compression Ignition Certification Programs: Engine Certification Workshop - Durability And Deterioration Factors - 2020 Off-Road Compression-Ignition Certification Program: Guidance on Reporting Maximum Allowable Off-cycle Emissions Off-Road Compression-Ignition Certification Program: California Exhaust Emission Standards and Test Procedures for New 2011 and Later Tier 4 Off-Road Compression-Ignition Engines (Part I – F)
