Diesel Fuel Program

Background

The ARB is responsible for regulations regarding fuel specifications for diesel fuel sold in California. Regulatory language and activities associated with the regulation development effort can be found below.

Current Regulations

The California Diesel Fuel Regulations (PDF-100k), (DOC-149k) (as of Aug 14, 2004)
Importer's Reporting Form (XLS-52k) (effective May 31, 2006)
Fuel Test Methods and Site-Specific Test Method Guidelines
ARB Enforcement Program for Diesel

Board Hearing Documents

- Supplemental 15-day Notice of Public Availability of Modified Text of California Diesel Regulation for Harborcraft and Intrastate Locomotives (2005)

- 15-day Notice of Public Availability of Modified Text of California Diesel Regulation for Harborcraft and Intrastate Locomotives (2005)

- Staff Report and Appendix: "Proposed Emergency Regulatory Amendment Delaying the January 1, 2005 Implementation Date for the Diesel Fuel Lubricity Standard" (2004)

- Staff Report and Appendices: "Proposed Regulatory Amendments Extending the California Standards for Motor Vehicle Diesel Fuel to Diesel Fuel Used in Harborcraft and Intrastate Locomotives" (2004)

- Staff Report and Appendices: "Proposed Amendments to the California Diesel Fuel Regulations" (2003)

- Staff Report: "Proposed Adoption of Regulations Limiting the Sulfur Content and the Aromatic Hydrocarbon Content of Motor Vehicle Diesel Fuel" (1988-1989)

Report (PDF - 1,841k)
Attachments (PDF - 840k)

- "Technical Support Document for Proposed Adoption of Regulations Limiting the Sulfur Content and the Aromatic Hydrocarbon Content of Motor Vehicle Diesel Fuel"

Pages 1-60 (PDF - 1,234k), Pages 61-159 (PDF - 1,892k), Pages 160-End (PDF - 983k)
Appendices - Part1 (PDF - 2,383k), Part 2 (PDF - 2,341k), Part 3 (PDF - 1,158k), Part 4 (PDF - 1,737k), Part 5 (PDF - 1,029k)

For rulemaking documents including hearing notices, staff reports, 15-day changes or other legal documents for any regulatory item please click here.

Public Meetings and Draft Documents

Meetings Prior 2008

Other Information

Letter to Micheal O. Leavitt, U.S. EPA Administrator from Terry Tamminen, Cal EPA Secretary: Recommend the U.S. EPA adoption of improved standards for diesel fuel. (PDF - 808k)
California Low Sulfur Diesel Fact Sheet Updated June 27, 2003 (PDF - 92k)
ARB Reformulated Diesel Fact Sheet Updated October 6, 2000 (PDF - 17k)
ARB Reformulated Diesel Fact Sheet (Original issued in August, 1993) (PDF - 9k)
Certified ARB Alternative Diesel Formulations
- Summary of Executive Orders - Listing by Refinery (PDF - 73k)
- Publicly Released Executive Orders:
  - Chevron U.S.A. EO G-714-001 (WP6 - 10k) or (PDF - 10k)
  - Chevron U.S.A. EO G-714-003 (WP6 - 10k) or (PDF - 10k)
  - Chevron U.S.A. EO G-714-006 (WP6 - 9k) or (PDF - 10k)
  - ARCO Products Company EO G-714-007 (WP6 - 10k) or (PDF - 10k)
  - ARCO Products Company EO G-714-008 (WP6 - 10k) or (PDF - 10k)
Alternative Diesel Fuels : News and Updates about Alternative Diesel Fuels (Biodiesel, Fisher-Tropsch Diesel, Water Emulsified Diesel and Ethanol Diesel). More...
Locomotives Diesel Fuels:
- Diesel Fuel Effects on Locomotive Exhaust Emissions (PDF - 4,064k) - Southwest Research Institute
- Locomotive Fuel Effects Study: Particulate Size Characterization (PDF - 1,624k) - Southwest Research Institute
- Link to the Mobil Sources Control Web Page

ARB List Server for Fuels

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Contact Information

For more information, please contact Renee Littaua at (916) 322-6019.

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