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 Ordenar ascendente	View Comments
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	Jun 13, 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
Public Workshop #3 on Updating the Indoor Air Quality Guidelines for Nitrogen Dioxide - Submit Public Comments	Indoor Air	Dic 31, 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
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	Sep 22, 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	Sep 22, 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	Ago 7, 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	Jul 21, 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	Ene 3, 2025	View
Public Workshop #2 on Updating the Indoor Air Quality Guidelines for Nitrogen Dioxide - Submit Public Comments	Indoor Air	Dic 31, 2024	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	Sep 16, 2024	View
Comment Log for Advanced Clean Cars II Amendments - June Workshop	Drive Forward Light-duty Vehicle Program	Jul 26, 2024	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	Abr 25, 2024	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	Feb 17, 2024	View

Other Public Comments

Active Formal Regulatory Rulemaking Comments

Archive of Pre-2023 Public Comment Topics and Submittals