Emergency Amendment and Adoption of Vehicle Emissions Regulations

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This page last reviewed September 12, 2025

Proposed Emergency Amendment and Adoption of Vehicle Emissions Regulations

Public Comments Received
Erratum
Public Hearing Notice and Related Material

Posted September 15, 2025

Notice of Proposed Action (NOPA)
Appendix A-1
Appendix A-1.1  ~(accessible Word version)~
Appendix A-2-1
Appendix A-2-2
Appendix A-3
Appendix A-3.1  ~(accessible Word version)~
Appendix A-4
Executive Order R-25-002
Appendix B to Executive Order R-25-002