Proposed Amendments to the California Emission Warranty Regulations for On-Road Heavy-Duty Vehicles
The information on this page is provided to support the May 8, 2018 Staff Report: Initial Statement of Reasons, "Proposed Amendments to California Emission Control System Warranty Regulations and Maintenance Provisions for 2022 and Subsequent Model Year On-Road Heavy-Duty Diesel Vehicles and Heavy-Duty Engines with Gross Vehicle Weight Ratings Greater than 14,000 Pounds and Heavy-Duty Diesel Engines in Such Vehicles."
Emissions & Economic Data
- Heavy-Duty Warranty Cost Calculations
- 2015 DMV Fleet Distributions
- Warranty Repair Rates and Costs
- CARB Supplement to the Institute for Social Research’s Final Report