Heavy-Duty Engine and Vehicle Omnibus Regulation

CARB will conduct a public hearing on August 27 at 9:00am to consider approving for adoption the proposed Heavy-Duty Engine and Vehicle Omnibus Regulation and Associated Amendments (HD Omnibus Regulation). The Proposed Heavy-Duty Engine and Vehicle Omnibus Regulation would implement two measures included within California’s Revised 2016 State Strategy for the State Implementation Plan, “Low-NOx Engine Standard” and “Lower In Use Emission Performance Level.” CARB’s Proposed HD Omnibus Rulemaking would comprehensively overhaul exhaust emission standards and test procedures and other emission-related requirements for 2024 and subsequent model year California-certified HD engines and contain the following amendments: 

•Lower NOx and PM emission standards on existing regulatory cycles as well as a new NOx standard on a new low load certification cycle;
•Revisions to the Heavy-Duty In-Use Testing program;
•Revisions to the warranty, useful life periods, and Emission Warranty Information and Reporting requirement;
•Strengthening the heavy-duty durability demonstration program;
•Revisions to the emissions averaging, banking, and trading program;
•Powertrain certification test procedures for HD hybrid vehicles; and
•Revisions to the On-Board Diagnostic (OBD) Requirements.
Currently, the meeting notice states the hearing will be held in the CalEPA building; however, it will likely be adjusted to a virtual format. CTA will circulate the details when they become available.