California Air Resources Board

California Environmental Protection Agency
1001 I Street, Sacramento, California 95814
Byron Sher Auditorium, 2nd Floor
Webcast(Livestream/Watch Only)

Zoom Webinar: Register
Phone Number: (669) 900-6833
Webinar ID: 878 8302 1792

The May 28-29, 2026, meeting of the California Air Resources Board (CARB or Board) will be held at 1001 I Street in Sacramento, with remote participation also available. This facility is accessible to persons with disabilities and by public transit. For transit information, call (916) 321-BUSS (2877) or visit http://sacrt.com/. 
The Board may continue this public meeting on Friday, May 29, 2026, at 9:00 a.m. to conclude any remaining business.

To only watch the Board Meeting and not provide verbal comments, please view the webcast. If you do not wish to provide oral comments, we strongly recommend watching the webcast as this will free up space on the webinar for those who are providing oral comments. Please do not view the webcast and then switch over to the webinar to comment as the webcast will have a time delay; instead, register to participate via the Zoom webinar.

Public Comment Guidelines and Information

• In-Person Public Testimony
• Remote Public Participation

The Board will set a two-minute time limit on oral comments; however, the amount of time could change at the Chair’s discretion. In-person speakers signed up to comment will be called upon first, followed by public Zoom and phone participants wishing to comment. The Chair may close speaker sign-ups 30 minutes after the public comment portion of an item has begun.

Please note that under the California Public Records Act (Gov. Code, § 7920.000 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.

Spanish interpretation will be available for the May 28-29, Board Meeting

• Agenda de la Reunión Pública
• Spanish Webcast

Thursday, May 28, 2026 @ 9:00 a.m.

The following agenda items may be heard in a different order at the Board Meeting.

Hard copies of the Public Agenda and Proposed Resolutions (when applicable) will be provided at the meeting; copies of all other documents linked below will only be available upon request.

Consent Item:

26-3-1: Public Meeting to Consider the 2026 State Implementation Plan Revisions for the California Extreme Ozone Nonattainment Areas

The Board will consider adoption of the 2026 State Implementation Plan Revisions for the California Extreme Ozone Nonattainment Areas. Due to adverse federal actions taken over the last year, revisions to commitments and other related elements are necessary to support the approval of State Implementation Plan submittals for the San Joaquin Valley, South Coast Air Basin, and Coachella Valley that are currently awaiting U.S. Environmental Protection Agency action.

• More Information
  • Public Meeting Notice
• Item Summary
• Proposed Resolution
• Staff Report
• Submit and View Written Comments

Discussion Items:

26-3-2: Public Hearing to Consider Proposed Amendments to the Regulation for the Mandatory Reporting of Greenhouse Gas Emissions

The Board will consider amendments to the Regulation for the Mandatory Reporting of Greenhouse Gas Emissions (MRR). The proposed MRR amendments are targeted revisions to clarify the existing regulation regarding how entities report their greenhouse gas emissions to support the Cap-and-Invest Program, and to ensure the data that are collected for CARB’s climate change programs are complete and accurate.

This item will be heard at the board meeting in conjunction with item 26-3-3: Public Hearing to Consider Proposed Amendments to the Regulation for the California Cap on Greenhouse Gas Emissions and Market-Based Compliance Mechanisms.

• Formal Rulemaking Page
  • Public Hearing Notice
• Item Summary
• Proposed Resolution
• Presentation
• Submit and View Written Comments

26-3-3: Public Hearing to Consider Proposed Amendments to the Regulation for the California Cap on Greenhouse Gas Emissions and Market-Based Compliance Mechanisms

The Board will consider Proposed Amendments to the Cap-and-Invest Regulation to align the Program with Assembly Bill 1207 (Irwin, Chapter 117, Statutes of 2025) and California's climate targets.

This item will be heard at the board meeting in conjunction with item 26-3-2: Public Hearing to Consider Proposed Amendments to the Regulation for the Mandatory Reporting of Greenhouse Gas Emissions.

• Formal Rulemaking Page
  • Public Hearing Notice
• Item Summary
• Proposed Resolution
• Presentation
• Submit and View Written Comments

Friday, May 29, 2026, @ 9:00 a.m.

The Board may continue this public meeting on Friday, May 29, 2026, at 9:00 a.m. to conclude any remaining business.

Closed Session

The Board may hold a closed session as authorized by Government Code section 11126(e) to confer with, and receive advice from, its legal counsel regarding the following pending litigation, potential litigation on additional challenges to federal decisions regarding waivers and authorizations, and other matters as authorized by Government Code section 11126(e)(2)(B) or (C):

American Free Enterprise Chamber of Commerce v. Engine Manufacturers Association, et al. (United States District Court Northern District of Illinois, Western Division, Case No. 3:24-cv-50504

American Free Enterprise Chamber of Commerce, et al. v. Steven S. Cliff, et al. (United States District Court, Eastern District of California, Sacramento Division, Case No. 2:24-cv-00988-KJM-JDP)

American Free Enterprise Chamber of Commerce v. U.S. Environmental Protection Agency (United States Court of Appeals, Ninth Circuit, Case No. 25-89)

American Free Enterprise Chamber of Commerce v. U.S. Environmental Protection Agency (United States Court of Appeals, Ninth Circuit, Case No. 25-106)

American Fuel & Petrochemical Manufacturers and Energy Marketers of America v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, District of Columbia, Case No. 25-1084)

American Fuel & Petrochemical Manufacturers and the American Waterways Operators v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 25-1088) and American Fuel & Petrochemical Manufacturers and the American Waterways Operators v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, Ninth Circuit, Case No. 25-1615)

American Fuel & Petrochemical Manufacturers and Energy Marketers of America v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No. 25-1084)

American Fuel & Petrochemical Manufacturers v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No. 25-1089 United States Court of Appeals, Ninth Circuit, Case No. 25-1614)

California Air Resources Board v. Daimler Truck North America LLC, et al. (Superior Court of California, Alameda County, Case No. 25CV151420)

California Air Resources Board v. Noil Energy Group, Inc. and Speedy Fuel Inc. (Los Angeles County Superior Court, Case No. 2OSTCV30142 and Los Angeles County Superior Court, Case No. 2OSTCV30292; California Court of Appeal, Second District, Case No. B339478)

California Air Resources Board v. Wan Hai Lines (USA) Ltd. (Los Angeles County, Superior Court of California, Case No. 25STCV30174)

California Trucking Association v. California Air Resources Board (United States District Court, Eastern District of California, Case No. 2:23‑cv‑02333‑TLN‑CKD)

Chamber of Commerce of the United States et al. v. California Air Resources Board, et al. (United States District Court, Central District of California, Case No. 2:24‑cv‑00801)

City of Los Angeles, acting by and through its Department of Water and Power v. California Air Resources Board (Los Angeles County Superior Court, Case No. 24STCP01428)

Committee for a Better Arvin, et al. v. U.S. Environmental Protection Agency (United States Court of Appeals, Ninth Circuit, Case No. 24-7270)

Commonwealth of Kentucky, et al. v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No. 24-1050)

Commonwealth of Kentucky, et al. v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 24-1087)

Communities for a Better Environment v. California Air Resources Board, et al. (Fresno County Superior Court, Case No. 24CECG05430); Defensores del Valle Central para el Aire y Agua Limpio, et al. v. California Air Resources Board, et al. (Fresno County Superior Court, Case No. 24CECG05508); Growth Energy v. California Air Resources Board, et al. (Fresno County Superior Court, Case No. 24CECG05514)

Daimler, et al. v. California Air Resources Board, et al.(United States District Court, Eastern District of California, Case No. 2:25-cv-02255-DC-AC)

Diamond Alternative Energy, LLC, et al. v. U.S. Environmental Protection Agency (United States Supreme Court, Case No. 24-7, certiorari granted from Ohio, et al. v. U.S. Environmental Protection Agency, et al. (United States United States Court of Appeals, District of Columbia Circuit, Case No. 22-1081, consolidated with Case Nos. 22-1083, 22-1084, and 22-1085)

Environmental Defense Fund, et al. v. Andrew Wheeler, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 20-1360)

Exxon Mobil Corp. v. Lauren Sanchez, et al. (United States District Court, Eastern District of California, Case No. 2:25-cv-03104-DJC-JDP)

Friends of Oceano Dunes, Inc. v. California Air Resources Board, et al. (San Luis Obispo County Superior Court, Case No. 17CV-0576) and Friends of Oceano Dunes, Inc. v. California Air Resources Board, et al. (United States District Court, Central District of California, Case No. 2:17-cv-8733)

Government Accountability and Oversight v. California Air Resources Board (Sacramento County Superior Court, Case No. 24CV012372)

GreenPower Motor Company, Inc. v. California Air Resources Board (Sacramento County Superior Court, Case No. 23WM000083)

Macallister v. State of California, et al. (Superior Court of the State of California, Case No. 25CV005673)

Natural Resources Defense Council v. National Highway Traffic Safety Admin. et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 22-1080, consolidated with Case Nos. 22-1144 and 22-1145)

Outdoor Power Equipment Institute v. U.S. Environmental Protection Agency (United States Court of Appeals, Ninth Circuit, Case Nos. 25-881 and 25-1481)

People v. Southern California Gas Company (Los Angeles County Superior Court, Case No. BC602973)

Ryan Murray Partners, Inc. v. California Air Resources Board (Superior Court of California, County of Sacramento, Case No. 25CV005264)

South Coast Air Quality Management District v. City of Los Angeles, et al. (Los Angeles County Superior Court, Case No. 20STCP02985; transferred to San Diego County Superior Court, Case No. 37 2021 00023385 CU TT CTL; California Court of Appeal, Fourth Appellate District, Div. 1, Case. No. D080902)

Specialty Equipment Market Association, et al. v. California Air Resources Board, et al. (United States District Court, Eastern District of California, Sacramento Division, Case No. 2:24-cv-02771-TLN-AC)

State of California, et al. v. David Bernhardt, et al. (United States District Court, Northern District of California, 472 F. Supp. 3d 573 (N.D. Cal. 2020) Case No. 3:18-cv-5712-DMR; BLM, Wyoming, and industry appeal to United States Court of Appeals, Ninth Circuit, Case No. 20-16793)

State of California, et al. v. United States, et al. (United States District Court, Northern District of California, Case No. 4:25-cv-04966)

State of California, et al. v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No. 21-1034, consolidated with California Communities Against Toxics, et al. v. U.S. Environmental Protection Agency, Case No. 21-1024)

State of California, et al. v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 21-1014)

State of California, et al. v. Wheeler, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 20-1167; consolidated under No. 20-1145, with Nos. 20‑1168, 20-1169, 20-1173, 20-1174, 20-1176, and 20-1177)

State of California, et al. v. Zeldin, et al. (United States District Court for the Northern District of California, Case No. 3:26-cv-03500)

State of Nebraska, et al. v. Steven S. Cliff, et al. (United States District Court, Eastern District of California, Case No. 2:24-cv-01364-TLN-CKD)

State of Nebraska, et al. v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 24-1129; consolidated with Case Nos. 24-1133, 24-1157, 24-1207, 24-1208, 24-1209, 24-1210, and 24-1214)

State of New York, et al. v. Donald Trump, et al. (United States District Court, District of Rhode Island, Case No. 1:25-cv-39)

State of North Dakota v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No. 15-1381)

State of North Dakota, et al. v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 16-1242)

State of Texas, et al. v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 22-1031 consolidated with Case Nos. 22-1032, 22-1033, 22-1034, 22-1035, 22-1036, 22-1038)

State of Texas, et al. v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 24-1054)

State of West Virginia, et al. v. U.S. Environmental Protection Agency, et al. (United States Court of Appeals, District of Columbia Circuit, Case No. 24-1120)

State of West Virginia, et al. v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No. 24-1009)

The Two Hundred for Homeownership, Robert Apodaca, and Jose Antonio Ramirez v. California Air Resources Board, et al. (United States District Court, Eastern District of California, Fresno, Case No. 1:22-cv-01474-KES-BAM)

United States of America and United States Department of Transportation v. California Air Resources Board and Steven S. Cliff (United States District Court, Eastern District of California, 2:26-cv-00847Fr-DJC-SCR)

Valero Renewable et al. v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No. 25-1078); American Petroleum Institute v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No 25-1082); and American Fuel & Petrochemical Manufacturers et al. v. U.S. Environmental Protection Agency, et al. (United States Circuit Court of Appeals, District of Columbia Circuit, Case No. 25-1085)

Victor Vasquez Sr. and Western States Trucking Association v. California Air Resources Board (Fresno County Superior Court, Case No. 25CECG04967)

Western States Petroleum Association v. California Air Resources Board, et al. (Fresno County Superior Court, Case No. 22CECG03603)

Western States Petroleum Association v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No. 25-1080)

Western States Petroleum Association v. California Air Resources Board (Fresno County Superior Court, Case No. 23CECG02976)

Western States Trucking Association v. California Air Resources Board (Fresno County Superior Court, Case No. 23CECG02964)

Western States Trucking Association, Inc. and Construction Industry Air Quality Coalition, Inc. v. U.S. Environmental Protection Agency (United States Court of Appeals, District of Columbia Circuit, Case No. 23-1148)

Opportunity for Members of the Board to Comment on Matters of Interest

Board members may identify matters they would like to have noticed for consideration at future meetings and comment on topics of interest; no formal action on these topics will be taken without further notice.

Open Session to Provide an Opportunity for Members of the Public to Address the Board on Subject Matters within the Jurisdiction of the Board

Although no formal Board action may be taken, the Board is allowing an opportunity to interested members of the public to address the Board on items of interest that are within the Board’s jurisdiction, but that do not specifically appear on the agenda. Each person will be allowed a maximum of two minutes to ensure that everyone has a chance to speak. The public will also have an opportunity to submit written comments for open session the morning of the Board Meeting.

Other Information

Submit and View Comments Electronically the Day of the Board Meeting

Please Note: PowerPoint presentations to be displayed during public comment at the Board meeting must be electronically submitted via email to the Clerks’ Office at cotb@arb.ca.gov no later than noon on the business day prior to the scheduled Board Meeting.

If you have any questions, please contact the Clerks’ Office:

1001 I Street, 6th Floor, Sacramento, California 95814
cotb@arb.ca.gov or (916) 322-5594
CARB Homepage: www.arb.ca.gov

Special Accommodation Request

Consistent with California Government Code section 7296.2, special accommodation or language needs may be provided for any of the following:

• An interpreter to be available at the hearing;
• Documents made available in an alternate format or another language;
• A disability-related reasonable accommodation.

To request these special accommodations or language needs, please contact the Clerks’ Office at cotb@arb.ca.gov or at (916) 322-5594 as soon as possible, but no later than 7 business days before the scheduled Board hearing. TTY/TDD/Speech to Speech users may dial 711 for the California Relay Service.

Acomodación Especial

Consecuente con la sección 7296.2 del Código de Gobierno de California, una acomodación especial o necesidades lingüísticas pueden ser suministradas para cualquiera de los siguientes:

• Un intérprete que esté disponible en la audiencia;
• Documentos disponibles en un formato alterno u otro idioma;
• Una acomodación razonable relacionados con una incapacidad.

Para solicitar estas comodidades especiales o necesidades de otro idioma, por favor contacte la oficina del Consejo al (916) 322-5594 o por correo electronico al cotb@arb.ca.gov lo más pronto posible, pero no menos de 7 días de trabajo antes del día programado para la audiencia del Consejo. TTY/TDD/Personas que necesiten este servicio pueden marcar el 711 para el Servicio de Retransmisión de Mensajes de California.