Low Carbon Fuel Standard

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This page last reviewed July 7, 2025

Proposed Low Carbon Fuel Standard Amendments

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

OAL has approved this rulemaking and filed with the Secretary of State on June 27, 2025. The effective date of the regulation is July 1, 2025.

Addendum to the Final Statement of Reasons
Attachment A-1: Final Regulation Order (Proposed Sections for Amendments)
Please see the LCFS Regulation Program Page to view unofficial versions of Attachment A-1 and Attachment A-1.1 (Alternate Format to A-1)
Attachment A-2: Final Regulation Order (Proposed Sections for Adoption)
Updated Informative Digest
Request for Early Effective Date

The Office of Administrative Law (OAL) issued a Notice of Disapproval of Regulatory Action on February 18, 2025. As explained in the market notice updated on February 26, 2025, CARB may rewrite and resubmit the amendments to OAL within 120 days of its receipt of OAL’s written decision.

OAL's Notice of Disapproval of Regulatory Action, OAL File No. 2025-0103-01S
OAL's Decision of Disapproval of Regulatory Action
Adopted Regulations and Materials Submitted to OAL

The resubmittal package was submitted to OAL on May 16, 2025. OAL has until June 30, 2025, to make a final determination.

Addendum to the Final Statement of Reasons  (See Revised Above)
Attachment 1 – Third 15-Day Comments
Executive Order
Attachment A-1: Final Regulation Order (Proposed Sections for Amendments)  (See unofficial revised version on the LCFS Regulation Program Page linked above in the Final Approval/OAL Action Section)
Attachment A-1.1  ~Alternate Format to Appendix A-1 (See revised on the LCFS Program Page) ~
Attachment A-2: Final Regulation Order (Proposed Sections for Adoption)  (See Revised Above)
Attachment B: Addendum to the Environmental Impact Analysis
Updated Informative Digest  (See Revised Above)
Request for Early Effective Date  (See Revised Above)

The final rulemaking package was submitted to OAL on January 3, 2025. OAL has until February 18, 2025, to make a final determination.

Attachment A-1: Final Regulation Order (Proposed Sections for Amendments)  (See Revised Above)
Attachment A-1.1  ~See Revised Above~
Attachment A-2: Final Regulation Order (Proposed Sections for Adoption)  (See Revised Above)
Final Statement of Reasons
Appendix A - Summary of Comments and Agency Response
Appendix B - Summary of Comments and Agency Response
Appendix C - Summary of Comments and Agency Response
Attachment 1.a - Table 1 45-Day Comments
Attachment 1.b - Table 1 45-Day Comments
Attachment 2 - Table 2 April Workshop Comments
Attachment 3 - Table 3 First 15-Day Comments
Attachment 4 - Table 4 Second 15-Day Comments
Attachment 5 - Table 5 Board Hearing Written Comments
Attachment 6 - Table 6 Board Hearing - Oral Testimony
Updated Informative Digest  (See Revised Above)
Hearing Action and Supplemental 15 Day Notices

Third 15-Day Changes

Third Notice of Public Availability of Modified Text and Availability of Additional Documents and Information  (Deadline to Comment: April 21, 2025)
Attachment A-1: Proposed Third 15-Day Changes to Proposed Regulation Order (Proposed Sections for Amendments)  (Third 15-Day Changes Available for Comment)
Attachment A 1.1  ~Alternate Format to Appendix A-1~
Attachment A-1.2  ~Alternate Version~
Attachment A-2: Proposed 15-Day Changes to Proposed Regulation Order (Proposed Sections for Adoption)  (Third 15-Day Changes Available for Comment)
Attachment A 2.1  ~Alternate Format to Appendix A-2~
Attachment A 2.2  ~Alternate Version~
Resolution 24-14

Posted November 27, 2024

Notice of Determination

Posted November 8, 2024

Supplemental Responses to Comments
Posted
Attachment A-1: Final Regulation Order (Proposed Sections for Amendments  (See Revised Above)
Attachment A-1.1  ~Alternate Format to Appendix A-1 - See Revised Above~
Attachment A-2: Final Regulation Order (Proposed Sections for Adoption)  (Reposted above for ease of reference)
Final Environmental Impact Analysis
Responses to Environmental Impact Analysis Comments
Findings and Statement of Overriding Considerations

Errata

Posted
Errata
Attachment A-1: Errata to the Proposed Regulation Order for the Second 15-Day Changes

Second 15-Day Changes

Posted
Second Notice of Public Availability of Modified Text and Availability of Additional Documents and/or Information  (Deadline to Comment: October 16, 2024)
Attachment A-1: Proposed Second 15-Day Changes to Proposed Regulation Order (Proposed Sections for Amendments)  (15-Day Changes Available for Comment)
Attachment A-1.1  ~Alternate Format to Appendix A-1~
Attachment A-1.2  ~Alternate Version~
Attachment A-2: Proposed Second 15-Day Changes to Proposed Regulation Order (Proposed Sections for Adoption)  (15-Day Changes Available for Comment)
Appendix A-2.1  ~Alternate Format to Appendix A-2~
Attachment A-2.2  ~Alternate Version~

     Additional Documents Added to the Record during the Second 15-Day

 

Recirculated Draft Environmental Impact Analysis

Posted
Release of Recirculated Draft Environmental Impact Analysis for the Proposed Low Carbon Fuel Standard Regulation  (Deadline to Comment: September 30, 2024)
Recirculated Draft Environmental Impact Analysis

 

First 15-Day Changes

Posted
Notice of Public Availability of Modified Text and Availability of Additional Documents and/or Information  (Deadline to Comment: August 27, 2024)
Attachment A-1: Proposed 15-Day Changes to Proposed Regulation Order (Proposed Sections for Amendments)  (15-Day Changes Available for Comment)
Attachment A-1.1  ~Alternate Format to Appendix A-1~
Attachment A-1.2  ~Alternate Version~
Attachment A-2: Proposed 15-Day Changes to Proposed Regulation Order (Proposed Sections for Adoption)  (15-Day Changes Available for Comment)
Appendix A-2.1  ~Alternate Format to Appendix A-2~
Attachment B: CA-GREET4.0 Supplemental Document
Attachment C: LCFS Fuels and Credit Market Modeling
Attachment D: Public Workshop Materials (April 10, 2024)

Updated LCA Models and Documentation

Supplemental 2023/2024 LCFS Modeling Documentation

Public Hearing Notice and Related Material
Posted
Notice of Public Hearing
Posted
Notice of Postponement
Posted
Notice of Public Hearing ~Updated 1/2/2024~  (Public Comments accepted during the Comment Period starting on January 5, 2024, and closing on February 20, 2024, or during the Public Hearing on March 21, 2024)
Staff Report: Initial Statement of Reasons (ISOR)
Appendix A-1: Proposed Regulation Order (Proposed Sections for Amendments)  (Updated 1/2/2024)
Appendix A-1.1: Alternative Format to Proposed Regulation Order  ~Alternative format to Appendix A-1, updated 1/2/2024~
Appendix A-2: Proposed Regulation Order (Proposed Sections for Adoption)
Appendix B: CA-GREET4.0 Supplemental Document
Appendix C-1: Standardized Regulatory Impact Assessment
Appendix C-2: Department of Finance Comment Letter
Appendix C-3: Summary and Response to Department of Finance Comments on the Standardized Regulatory Impact Assessment
Appendix D: Draft Environmental Impact Analysis  (Uploaded 1/2/2024)
Appendix D: Attachment A, Environmental and Regulatory Setting  ~Uploaded 1/2/2024~
Appendix D: Attachment B, Summary of Environmental Impacts and Mitigation Measures  ~Uploaded 1/2/2024~
Appendix E: Purpose and Rationale for Low Carbon Fuel Standards Amendments  (Updated 1/2/2024)
Appendix F: Estimated Carbon Intensity Values for the Crude Lookup Table
Appendix G: List of References
More Information/Program Page
Updated LCA Models and Documentation
Public Comments Received on the Recirculated Draft EIA

Accessibility

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