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.

Subject - Submit Comments	Programs	Closing Date Sort ascending	View Comments
Public Meeting: Health Analysis Consultants’ Findings on Environmental Justice in Health Impact Assessments	Research Program	Apr 24, 2026	View
BAE Systems ACE Plan Second Public Comment Period (15 Days)	Commercial Harbor Craft	Apr 21, 2026	View
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	Mar 20, 2026	View
BAE Systems ACE Plan First Public Comment Period (30 Days)	Commercial Harbor Craft	Mar 7, 2026	View
Comments for Public Meeting: Proposed Concepts for CARB’s Cumulative Impacts Research	Research Program	Feb 13, 2026	View
Zero-Emission Space and Water Heater Standard December 11, 2025 Workshop - Public Comments	Building Decarbonization	Jan 21, 2026	View
Information Solicitation to Inform Fuel Cell NEM Emissions Standards Evaluation	Stationary Fuel Cell Net Energy Metering	Jan 9, 2026	View
Public Workshop #3 on Updating the Indoor Air Quality Guidelines for Nitrogen Dioxide - Submit Public Comments	Indoor Air	Dec 31, 2025	View
Comments to Embodied Carbon Reporting Technical Meeting October 30, 2025	Embodied Carbon	Dec 8, 2025	View
LCFS - Land Use Change Public Forum - November 6th, 2025	Low Carbon Fuel Standard	Dec 5, 2025	View
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	Nov 24, 2025	View
Comment Log for Drive Forward Light-duty Vehicle Program - October 2025 Workshop	Drive Forward Light-duty Vehicle Program	Nov 21, 2025	View
Proposed Updates to Health Endpoints for Use in CARB's Health Analysis (2025)	N/A	Nov 21, 2025	View
Scoping Workshop on E15 Use in California	Gasoline	Nov 19, 2025	View
Potential Amendments to the Cap-and-Invest Program: October 29, 2025 Workshop	Cap-and-Invest Program	Nov 12, 2025	View

Other Public Comments

Active Formal Regulatory Rulemaking Comments

Archive of Pre-2023 Public Comment Topics and Submittals