Heavy-Duty Omnibus Regulation

This page last reviewed December 22, 2021

Heavy-Duty Engine and Vehicle Omnibus Regulation and Associated Amendments

Proposed Amendments to the Exhaust Emissions Standards and Test Procedures for 2024 and Subsequent Model Year Heavy-Duty Engines and Vehicles, Heavy-Duty On-Board Diagnostic System Requirements, Heavy-Duty In-Use Testing Program, Emissions Warranty Period and Useful Life Requirements, Emissions Warranty Information and Reporting Requirements, and Corrective Action Procedures, In-Use Emissions Data Reporting Requirements, and Phase 2 Heavy-Duty Greenhouse Gas Regulations, and Powertrain Test Procedures

Hearing Date(s)
Public Comments Received
Final Approval / OAL Action

OAL approved the rulemaking and filed with Secretary of State on December 22, 2021. The effective date is December 22, 2021.

Adopted Regulations and Materials Submitted to OAL
Public Hearing Notice and Related Material
Notice of Public Hearing  (Deadline to Submit Public Comments: August 25, 2020, or at the Public Hearing on August 27, 2020)
Staff Report: Initial Statement of Reasons (ISOR)  (See Revised Above)


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