Advanced Clean Trucks Pooling Amendments

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This page last reviewed May 19, 2025

Proposed Amendments to the Advanced Clean Trucks Regulation and the Zero-Emission Powertrain Certification Test Procedure

Hearing Date(s)
Public Comments Received
Erratum
Final Approval / OAL Action
Adopted Regulations and Materials Submitted to OAL
Hearing Action and Supplemental 15 Day Notices

Posted May 6, 2026

Notice of Decision Not to Proceed

Posted July 24, 2025

Resolution 25-6
Public Hearing Notice and Related Material

Notice of Public Hearing

Notice of Public Hearing

Notice of Public Hearing  (Deadline to Submit Public Comments: July 14, 2025, or at the Public Hearing)
Staff Report: Initial Statement of Reasons
Appendix A-1: Proposed Regulation Order
Appendix A-2: Alternate Format to Proposed Regulation Order
Appendix B-1: Proposed Amendments to the California Standards and Test Procedures for New 2021 and Subsequent Model Heavy-Duty Zero-Emission Powertrains