Heavy-Duty Omnibus Regulation

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This page last reviewed December 22, 2021

Heavy-Duty Engine and Vehicle Omnibus Regulation and Associated Amendments

Proposed Amendments to the Exhaust Emissions Standards and Test Procedures for 2024 and Subsequent Model Year Heavy-Duty Engines and Vehicles, Heavy-Duty On-Board Diagnostic System Requirements, Heavy-Duty In-Use Testing Program, Emissions Warranty Period and Useful Life Requirements, Emissions Warranty Information and Reporting Requirements, and Corrective Action Procedures, In-Use Emissions Data Reporting Requirements, and Phase 2 Heavy-Duty Greenhouse Gas Regulations, and Powertrain Test Procedures

Hearing Date(s)
Public Comments Received
Final Approval / OAL Action

OAL approved the rulemaking and filed with Secretary of State on December 22, 2021. The effective date is December 22, 2021.

Title 13 Final Regulation Order
Amendments to the Diesel Test Procedures
Addendum to the Final Statement of Reasons
Updated Informative Digest
Adopted Regulations and Materials Submitted to OAL

The final rulemaking package was submitted to OAL on October 15, 2021

Final Statement of Reasons
Executive Order
Title 13 Final Regulation Order  ~See Revised Above~
Title 17 Final Regulation Order
Amendments to the Diesel Test Procedures  ~See Revised Above~
Amendments to the Otto-Cycle Test Procedures
Amendments to the Greenhouse Gas Test Procedures
Amendments to California Environmental Performance Label Specifications
Amendments to the Tier 4 Off-Road Compression-Ignition Engines Test Procedures
Amendments to the Light- and Medium-Duty Test Procedures
Updated Informative Digest  (See Revised Above)
Request for an Early Effective Date
Notice of Decision
Hearing Action and Supplemental 15 Day Notices
Posted
Second Notice of Public Availability of Modified Text and Availability of Additional Documents  (Deadline to comment: July 6, 2021)
Appendix A-1: Title 13 - Proposed Second 15-Day Modifications to the Proposed Regulation Order
Appendix B-1: Proposed Second 15-Day Modifications to the Diesel Test Procedures
Appendix B-2: Proposed Second 15-Day Modifications to the Otto-Cycle Test Procedures
Posted
Notice of Public Availability of Modified Text and Availability of Additional Documents  (Deadline to comment: June 4, 2021)
Appendix A-1: Title 13 - Proposed 30-Day Modifications to the Proposed Regulation Order
Appendix A-2: Title 17 - Proposed 30-Day Modifications to the Proposed Regulation Order
Appendix B-1: Proposed 30-Day Modifications to the Diesel Test Procedures
Appendix B-2: Proposed 30-Day Modifications to the Otto-Cycle Test Procedures
Appendix B-3: Proposed 30-Day Modifications to the Greenhouse Gas Test Procedures
Appendix B-4: Proposed 30-Day Modifications to the California Environmental Performance Label Specifications
Appendix B-6: Proposed 30-Day Modifications to the Light- and Medium-Duty Test Procedures
Posted
Resolution 20-23
Attachment A: Staff’s Suggested Modifications to the Original Proposal
Attachment B: Response to Comments on the Environmental Analysis for the Proposed Heavy-Duty Engine and Vehicle Omnibus Regulation and Associated Amendments
Public Hearing Notice and Related Material
Posted
Errata
Staff Report: Initial Statement of Reasons (ISOR)
Posted
Notice of Public Hearing  (Deadline to Submit Public Comments: August 25, 2020, or at the Public Hearing on August 27, 2020)
Attachment to Public Notice: Responses to DOF’s Comments on SRIA
Explanatory Note: Tables in the Notice
California Regulatory Notice Register 2020, Number 26-Z, June 26, 2020  ~Notice as published by OAL in the Register without tables, page 930~
Staff Report: Initial Statement of Reasons (ISOR)  (See Revised Above)
Appendix A: Proposed Regulation Order Title Page
Appendix A-1: Proposed Title 13 Regulation Order
Appendix A-2: Proposed Title 17 Regulation Order
Appendix B: Proposed Test Procedures Title Page
Appendix B-1: Proposed Amendments to the Diesel Test Procedures
Appendix B-2: Proposed Amendments to the Otto-Cycle Test Procedures
Appendix B-3: Proposed Amendments to the Greenhouse Gas Test Procedures
Appendix B-4: Proposed Amendments to California Environmental Performance Label Specifications
Appendix B-5: Proposed Amendments to the Tier 4 Off-Road Compression-Ignition Engines Test Procedures
Appendix B-6: Proposed Amendments to the Light- and Medium-Duty Test Procedures
Appendix C: Economic Impacts Assessment Title Page
Appendix C-1: Original SRIA Submitted to DOF
Appendix C-2: DOF Comments on SRIA
Appendix C-3: Further Detail on Costs and Economic Analysis
Appendix D: Emissions Inventory Methods and Results for the Proposed Amendments
Appendix E: Health Benefits Analysis
Appendix F: Purpose and Rationale Title Page
Appendix F-A-1: Purpose and Rationale for Proposed Title 13 Regulation Order
Appendix F-A-2: Purpose and Rationale for Proposed Title 17 Regulation Order
Appendix F-B-1: Purpose and Rationale for Proposed Amendments to the Diesel Test Procedures
Appendix F-B-2: Purpose and Rationale for Proposed Amendments to the Otto-Cycle Test Procedures
Appendix F-B-3: Purpose and Rationale for Proposed Amendments to the Greenhouse Gas Test Procedures
Appendix F-B-4: Purpose and Rationale for Proposed Amendments to California Environmental Performance Label Specifications
Appendix F-B-5: Purpose and Rationale for Proposed Amendments to the Tier 4 Off-Road Compression-Ignition Engines Test Procedures
Appendix F-B-6: Purpose and Rationale for Proposed Amendments to the Light- and Medium-Duty Test Procedures
Appendix G: Public Process – Additional Meetings
Appendix H: Heavy-Duty Omnibus Regulation’s Contribution to Regional Haze and Visibility Protection
Appendix I: Current and Advanced Emission Control Strategies and Key Findings of CARB/SwRI Demonstration Work
More Information

Accessibility

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