California's Heavy-Duty Diesel In-Use Compliance Regulation

This page last reviewed September 30, 2008

RULEMAKING TO CONSIDER ADOPTION OF CALIFORNIA'S HEAVY-DUTY
DIESEL IN-USE COMPLIANCE REGULATION

(September 28, 2006)


Public Comments Received


FINAL APPROVAL / OAL ACTION

The Final Rulemaking Package was approved by OAL and was filed with the Secretary of State on September 11, 2007. It will become effective on October 11, 2007.

  • Final Regulation Order (PDF - 23K)
    • California Exaust Emission Standards and Test Procedures for 2004 and Subsequent Model
      Heavy-Duty Diesel Engines and Vehicles (PDF - 125K)
    • California Exaust Emission Standards and Test Procedures for 2004 and Subsequent Model
      Heavy-Duty Otto Cycle Engines (PDF - 12K)


ADOPTED REGULATIONS AND MATERIALS SUBMITTED TO OAL

The Final Rulemaking Package was filed with OAL on July 30, 2007. OAL has until September 11, 2007 to make a determination.

  • Final Regulation Order See Revised Above
    • California Exhaust Emission Standards and Test Procedures for 2004 and Subsequent Model Heavy-Duty Diesel-Cycle Engines and Vehicles See Revised Above
    • California Exhaust Emission Standards and Test Procedures for 2004 and Subsequent Model Heavy-Duty Otto-Cycle Engines and Vehicles See Revised Above


  • Final Statement of Reasons(PDF - 57K)

  • Notice of Decision and Response to Significant Environmental Issues (PDF - 4K)

  • Updated Informative Digest (PDF - 23K)


A business or person submitting a comment to a proposed regulation or proposed amendment or repeal of a regulation or any person who specifically request it has the right to request a copy of the Final Statement of Reasons (FSOR). Upon its completion, the Final Statement of Reasons (FSOR) will be available and copies may be requested from the agency contact persons, or may be obtained in electronic form from this web page.


HEARING ACTION AND SUPPLEMENTAL 15-DAY NOTICES


Posted March 15, 2007

Notice of Public Availability of Modified Text (PDF - 20K)


PUBLIC HEARING NOTICE AND RELATED MATERIAL

Notice of Public Hearing (PDF - 38K)

Initial Statement of Reasons (PDF - 213K)

  • Appendix A: Proposed Regulation Order (PDF - 23K)
  • Appendix B: Proposed Amendments to the California Exhaust Emission Standards and Test Procedures for 2004 and Subsequent Model Heavy-Duty Diesel-Cycle Engines and Vehicles (PDF - 135K)
  • Appendix C: Proposed Amendments to the California Exhaust Emission Standards and Test Procedures for 2004 and Subsequent Model Heavy-Duty Otto-Cycle Engines and Vehicles (PDF - 13K)


INFORMAL REGULATORY ACTIVITY


 


Rulemaking Activity for 2006