Off-Road Diesel Regulation

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This page last reviewed December 17, 2023

Proposed Amendments to the In-Use Off-Road Diesel-Fueled Fleets Regulation

Hearing Date(s)

November 17, 2022

Public Comments Received

CARB Submitted a Request for Authorization Action Pursuant to Clean Air Act Section 209(e) for the Amendments to the In-Use Off-Road Diesel-Fueled Fleets Regulation

CARB's Request for Authorization Action Pursuant to Clean Air Act Section 209(e)

Clean Air Act Section 209(e) Authorization Request Support Document

OAL approved the rulemaking and filed with Secretary of State on August 18, 2023. The effective date is October 1, 2023.

Final Regulation Order (Attachment A-1)

Alternative Format of Final Regulation Order (Attachment A-2) ~Microsoft Word document version of document posted directly above, provided in an alternative format~

Addendum to the Final Statement of Reasons

The final rulemaking package was submitted to OAL on July 7, 2023. OAL has until August 18, 2023, to make a final determination.

Final Statement of Reasons

Executive Order

Attachment A-1: Final Regulation Order (See Revised Above)

Attachment A-2: Alternative Format of Final Regulation Order ~Microsoft Word document version of document posted directly above, provided in an alternative format. See Revised Above~

Updated Informative Digest

Posted April 10, 2023

Notice of Public Availability of Modified Text and Availability of Additional Documents and Information (Deadline to comment: April 25, 2023)

Attachment A-1: Proposed 15-Day Changes to Proposed Regulation Order (15-Day Changes Available for Comment)

Attachment A-2 ~Alternate Format to Attachment A-1~

Attachment A-3 ~Alternate Version~

Posted December 8, 2022

Resolution 22-19

Posted September 20, 2022

Notice of Public Hearing (Deadline to submit Public Comment: November 7, 2022, or during the Public Hearing on November 17, 2022)

Staff Report: Initial Statement of Reasons (ISOR)

Appendix A-1: Proposed Regulation Order

Appendix A-2: Proposed Regulation Order ~Alternative format to Appendix A-1~

Appendix B: Standardized Regulatory Impact Assessment (SRIA)

Appendix B-1: Update to SRIA Appendix B

Appendix C: Department of Finance Comments on the SRIA and CARB Responses

Appendix D: Cost Survey and Aggregated Responses

Appendix E: Aggregated AB 617 Emissions Data

Appendix F: 2022 CARB Construction, Industrial, Mining and Oil Drilling Emissions Inventory

More Information

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