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The California Air Resources Board (CARB or Board) will conduct a public hearing at the time and place noted below to consider proposed amendments to the Advanced Clean Fleets (ACF) and the Low Carbon Fuel Standard (LCFS) regulations. The proposed amendments to Cal. Code Regs., title 13, sections 2013 implement Assembly Bill (AB) 1594 (Garcia, E., Stats. 2023, ch. 585), and would provide more flexibility to public agency utilities subject to the State and Local Government (SLG) requirements of the ACF regulation. This rulemaking also would repeal Cal Code Regs., title 13, Chapter 1, Article 3.2, sections 2014 and 2015, which contains the drayage and high priority and federal (HPF) fleet requirements of the ACF regulation. The proposed amendments will also amend the LCFS Regulation set forth in Cal. Code Regs., title 17, section 95486.3, to provide stronger credit support for hydrogen stations.
Date: September 25, 2025
Time: 9:00 a.m.
Location: California Environmental Protection Agency
California Air Resources Board | Byron Sher Auditorium
1001 I Street Sacramento, California 95814
Remote Option: Zoom
This public meeting may continue at 9:00 a.m., on September 26, 2025. The public agenda will be posted ten days before the September 25, 2025 Board Hearing. Please consult the public agenda for other details, including the day on which this item will be considered and how the public can participate via Zoom if they choose to be remote.
Background
The ACF regulation has three zero-emission vehicle (ZEV) purchase requirements: one for SLG fleets, one for HPF fleets, and one for drayage trucks, as well as a 100% ZEV sales requirement for manufacturers by 2036. In October 2023, the Legislature enacted AB 1594 which directed CARB to amend the ACF regulation to give public agency utility fleets more flexibility to comply.
In December 2023, CARB widely circulated a notice to affected fleets of CARB’s decision to delay any enforcement action on the drayage or HPF fleet reporting requirements or drayage registration prohibitions until the U.S. Environmental Protection Agency (EPA) granted a preemption waiver applicable to those regulatory provisions or determined a waiver is not necessary. In January 2025, CARB withdrew its request for a waiver and authorization for the addition of the ACF regulation to California’s emissions control program foreseeing that the waiver request to U.S. EPA would not be granted.
Inquiries concerning the substance of the proposed regulatory action may be directed to the agency representative, Paul Arneja, Manager, In-Use Control Measures Section, at (279) 208-7342, or (designated back up contact) Molly Munz, Air Pollution Specialist, at (279) 208-7179.
The Notice, ISOR, and all subsequent regulatory documents are available on CARB's Rulemaking webpage.
Written Comment Period & Comment Submittal
In accordance with the Administrative Procedure Act, interested members of the public may present comments orally or in writing during the hearing and may provide comments by postal mail or by electronic submittal before the hearing. The public comment period for this regulatory action began on August 1, 2025. Written comments not submitted during the hearing must be submitted on or after August 1, 2025, and received no later than September 15, 2025. Comments submitted outside that comment period are considered untimely. CARB may, but is not required to, respond to untimely comments, including those raising significant environmental issues. The Board also encourages members of the public to bring to the attention of staff in advance of the hearing any suggestions for modification of the proposed regulatory action. Comments submitted in advance of the hearing must be addressed to one of the following:
Clerk of the Board, California Air Resources Board
1001 I Street, Sacramento, California 95814
Please note that under the California Public Records Act (Government Code section 6250 et seq.), your written and oral comments, attachments, and associated contact information (e.g., your address, phone, email, etc.) become part of the public record and can be released to the public upon request.
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