USA - Proposed Draft Amendments to the Heavy-Duty Engine and Vehicle Omnibus Regulation

​Proposed rule - The Executive Officer (EO) of the California Air Resources Board (CARB or Board) is proposing to consider the adoption of amendments to the Heavy-Duty (HD) Engine and Vehicle Omnibus (Omnibus) regulation under the authority granted by the Board in Resolution 23-15, wherein the Board delegated to the EO the power to adopt, amend, and revoke emission standards, test procedures, compliance test procedures, and compliance flexibilities for new on-road motor vehicles that the Board previously reserved to itself in Board Resolution 78-10​​​​​.

Final date for comments:
September 18, 2023​