Proposed Amendments to the Heavy-Duty Engine and Vehicle Omnibus Regulation

Protection of the environment (TBT)

Heavy-duty engines; Environmental protection (ICS code(s): 13.020); Air quality (ICS code(s): 13.040); Special purpose vehicles (ICS code(s): 43.160)

Link to ePing

13.020 - Environmental protection; 13.040 - Air quality; 43.160 - Special purpose vehicles; 13.020 - Environmental protection; 13.040 - Air quality; 43.160 - Special purpose vehicles

By notice posted on the California Air Resources Board’s (CARB or Board) webpage on 1 August 2023, and published in the 4 August 2023, California Regulatory Notice Register (Register 2023, Number 31-Z), CARB announced a public comment period for the Proposed Amendments to the Heavy-Duty Engine and Vehicle Omnibus Regulation. CARB subsequently received several requests for a public hearing, and CARB’s Executive Officer (EO) conducted a hearing on 20 October 2023, to consider approving the proposed amendments, under the authority delegated to the EO pursuant to Resolution 23-15._x000D_ CARB staff has determined that additional modifications to the initially proposed amendments are appropriate and has developed the proposed modifications (15-Day Changes) as stated below in the “Summary of Proposed Modifications” section of this notice. The Appendices showing the specific proposed modifications to the text of the proposed regulation being made with these 15-Day Changes are shown in multiple ways in order to meet the requirements of the Administrative Procedure Act (APA) while also posting alternate/complementary versions that provide increased accessibility to view the modifications in multiple ways._x000D_ The proposed modified regulatory language is available for public comment for a period of at least 15 days as required by Government Code section 11346.8. To be considered by the EO, written comments must be submitted by 21 December 2023.Hearing Action and Supplemental 15 Day NoticesPosted 6 December 2023Notice of Public Availability of Modified Text (Deadline to Comment: 21 December 2023)Appendix A-1: Proposed 15-Day Changes to Proposed Regulation Order (15-Day Changes Available for Comment)Appendix A-2 ~Alternate Format to Appendix A-1~Appendix A-3~Alternate Version~Appendix B-1: Proposed 15-Day Changes to Proposed Modifications to the Diesel Engine Test Procedures (15-Day Changes Available for Comment)Appendix B-2~Alternate Format to Appendix B-1~Appendix B-3~Alternate Version~Appendix C-1: Proposed 15-Day Changes to the Otto-Cycle Engine Test Procedures(15-Day Changes Available for Comment)Appendix C-2~Alternate Format to Appendix C-1~WTO Members and their stakeholders are asked to submit comments to the USA TBT Enquiry Point. Comments received by the USA TBT Enquiry Point from WTO Members and their stakeholders by 4pmEastern Time on 21 December 2023 will be shared with CARB if received within the comment period.

1:File here 2:File here

EN:File here

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