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
The final rulemaking package was submitted to OAL on October 15, 2021
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