Regulation ChangeProposedProposed Regulation
CARB proposes amendments to Mandatory Reporting of GHG Emissions
Mandatory Reporting of Greenhouse Gas Emissions (MRR)California Air Resources BoardCalifornia
Announced
Apr 28, 2026
Description
CARB has proposed amendments to the Regulation for the Mandatory Reporting of Greenhouse Gas Emissions. The proposed amendments target revisions to clarify how entities report GHG emissions to support the Cap-and-Invest Program, ensure data accuracy, expand program applicability, and incorporate new fuel pathways and technologies.
Key Findings
CARB proposes amendments to Mandatory Reporting of GHG Emissions
vg) # California Air Resources Board ## Main navigation ## Mandatory Reporting of Greenhouse Gas Emissions *This page last reviewed April 28, 2026* ## Proposed Amendments to the Regulation for the Mandatory Reporting of Greenhouse Gas Emissions This stage has not yet been reached. This stage has not yet been reached. ###### Posted April 28, 2026 ###### Posted April 14, 2026 ###### Posted January 20, 2026 ### Accessib