Public Comments - Workshops Community Meetings & Other Input Opportunities

The following is a list of topics that CARB has opened for public comments in advance of, or in addition to the formal rule making process. Subjects currently open for public comment are listed first. Please use the search tools to locate specific public comment topics created since 2023.

Active Formal Regulatory Rulemaking Comments 

Archive of pre-2023 public comment topics and submittals

Subject - Submit CommentsProgramsClosing Date Sort ascending View Comments
LCFS Fuel Pathways Public CommentsLow Carbon Fuel Standard

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LCFS Crude Oil Life Cycle Assessment CommentsLow Carbon Fuel Standard

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LCFS Innovative Crude Oil Public CommentsLow Carbon Fuel Standard

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Comment Log for Drive Forward Light-duty Vehicle Program - October 2025 WorkshopDrive Forward Light-duty Vehicle Program

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Scoping Workshop on E15 Use in CaliforniaAlternative Fuels

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Comments to Embodied Carbon Baseline Technical Meeting September 9, 2025Embodied Carbon

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Information Solicitation to Advise Implementation of the Carbon Capture, Removal, Utilization, and Storage Program: Senate Bill 905 Carbon Sequestration: Carbon Capture, Removal, Utilization, and Storage

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Public Comment on Application for Variance from the Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Stationary Air-Conditioning, and Other End-Uses (Cal. Code of Regs., tit. 17, § 95371 et seq.) Stationary Hydrofluorocarbon Reduction Measures

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Public Comment on Application for Variance from the Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Stationary Air-Conditioning, and Other End-Uses (Cal. Code of Regs., tit. 17, § 95371 et seq.)Stationary Hydrofluorocarbon Reduction Measures

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Public Comments to August 21, 2025 Climate Disclosure WorkshopCalifornia Corporate Greenhouse Gas (GHG) Reporting and Climate Related Financial Risk Disclosure Programs

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SB 1075 Community MeetingsSB 1075 Report: Hydrogen Development, Deployment, and Use

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Public Comments to ZEV forward Dialogue SessionsN/A

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COmmenrs AB 32 Climate Change Scoping Plan

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Community Meeting: Landfill Methane Emissions, Community Perspectives, and Potential Regulation UpdatesLandfill Methane Regulation

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Public Comment on Application for Variance from the Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Stationary Air-Conditioning, and Other End-Uses (Cal. Code of Regs., tit. 17, § 95371 et seq.)Stationary Hydrofluorocarbon Reduction Measures

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Public Comment on Advanced Clean Fleets AB1594 Amendments Advanced Clean Fleets

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Public Comment on Application for Variance from the Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Stationary Air-Conditioning, and Other End-Uses (Cal. Code of Regs., tit. 17, § 95371 et seq.)Stationary Hydrofluorocarbon Reduction Measures

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Community Air Protection Program: Imperial County North End Phase I Community Emissions Reduction Program Draft Staff ReportCommunity Air Protection Program

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Public Comments on the State’s discussion questions as part of its Comprehensive Climate Action Plan (CCAP) public meeting U.S. EPA's Climate Pollution Reduction Grants Program

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Public Comments on Draft SB 596 Cement StrategyNet-Zero Emissions Strategy for the Cement Sector

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Comments to Workshop on Building Embodied Carbon March 13, 2025Embodied Carbon

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Public Feedback for Carbon Capture, Removal, Utilization, and Storage Program (SB 905)Carbon Sequestration: Carbon Capture, Removal, Utilization, and Storage

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SB 1075 Technical Analysis WorkshopSB 1075 Report: Hydrogen Development, Deployment, and Use

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Public Comments to California Climate-Disclosure Information SolicitationCalifornia Corporate Greenhouse Gas (GHG) Reporting and Climate Related Financial Risk Disclosure Programs

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Public Feedback for AB 1757 Methods for Tracking and Assessing the Effects of Land Management on California’s LandscapesNature Based Strategies, Natural and Working Lands

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Public Feedback for 2025 Updates to the Natural and Working Lands Carbon InventoryNature Based Strategies, Natural and Working Lands

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Public Comment on the Request for Information for the Development of a Concept for a Used Truck Voucher PilotInnovative Small E-Fleet Pilot Program

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Scientific Review Panel on Toxic Air Contaminants, Feb 2025 - Submit Public CommentsN/A

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WETA ACE Plan Second Public Comment Period (15 Days)Commercial Harbor Craft

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Public Workshop: Potential Updates to the Landfill Methane Regulation Landfill Methane Regulation

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Public Comment on Application for Variance from the Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Stationary Air-Conditioning, and Other End-Uses (Cal. Code of Regs., tit. 17, § 95371 et seq.)Stationary Hydrofluorocarbon Reduction Measures

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Public Workshop #2 on Updating the Indoor Air Quality Guidelines for Nitrogen Dioxide - Submit Public CommentsIndoor Air

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WETA ACE Plan First Public Comment Period (30 Days)Commercial Harbor Craft

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Public Comment on the Request for Information for the Development of the Clean Off-Road Recognition ProgramIn-Use Off-Road Diesel-Fueled Fleets Regulation

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Dairy Sector Workshop - Public CommentsShort-Lived Climate Pollutants

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Comments to Workshop on Building Embodied Carbon September 19Building Decarbonization

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Public Comments on the Richmond, North Richmond, San Pablo Community Emissions Reduction Program (Path to Clean Air) Staff ReportCommunity Air Protection Program

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Public Comment on Application for Variance from the Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Stationary Air-Conditioning, and Other End-Uses (Cal. Code of Regs., tit. 17, § 95371 et seq.)Stationary Hydrofluorocarbon Reduction Measures

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Public Feedback on Potential Changes to the Oil and Gas Methane Regulation to Implement U.S. EPA’s Emissions GuidelinesOil and Natural Gas Production, Processing, and Storage

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For Public Comment: Draft Cycle 5 Request for Applications Community Air Protection Program

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Scientific Review Panel on Toxic Air Contaminants, Aug 2024 - Submit Public CommentsN/A

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Comment Log for Advanced Clean Cars II Amendments - June WorkshopDrive Forward Light-duty Vehicle Program

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Public Comment for AB 617 Community Air Protection Program: International Border Communities San Ysidro and Otay Mesa Community Emissions Reduction Program Draft Staff Report Community Air Protection Program

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Zero-Emission Space and Water Heater Standards May 29, 2024 Workshop – Public CommentsBuilding Decarbonization

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Potential Amendments to the Cap-and-Trade Regulation: May 31 2024Cap-and-Trade Program

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