Biodiesel

This page last reviewed on March 12, 2009
Background:

Biodiesel and renewable diesel are names of alternative diesel-equivalent fuels, derived from biological sources (such as vegetable oils or tallow), which can be used in unmodified diesel-engine vehicles.


Workshops / Meetings

March 12, 2009

Biodiesel/Renewable Diesel Work Group Meeting in Sacramento from 10:30 a.m. to 3:30 p.m.  Discussion topics will include, but are not limited to the biodiesel tier one report and biodiesel emissions tests.

  • Meeting Notice and Agenda (PDF-101k)
  • Presentations:
    • Biodiesel and Renewable Diesel Emissions Study and Biodiesel Multimedia Evaluation - black and white (PDF-1.55mb) or color (PDF-529k)
    • Biodiesel and Renewable Diesel Research Study Presentation by Thomas Durbin, CE-CERT, University of California, Riverside (PDF-544k)
    • California Biodiesel Multimedia Evaluation Tier I Report Presentation by Thomas McKone, University of California, Berkeley (PDF-3.3mb)
    • California Biodiesel Multimedia Evaluation Tier II Report Presentation by Timothy Ginn, University of California, Davis (PDF-760k)
  • Multimedia Evaluation Reports:
    • California Biodiesel Multimedia Evaluation Tier I Report (PDF-2.0mb)
    • Experimental Plan for Tier II Evaluation of Biodiesel (PDF-260k)
March 4, 2009Comments to the California Biodiesel Multimedia Evaluation Tier I Report are due by March 25, 2009  (PDF-6k)
October 14, 2008

Biodiesel/Renewable Diesel Work Group Meeting in Sacramento from 1:30 p.m. to 3:30 p.m.  Discussion topics will include, but are not limited to, updates to on-road engine and vehicle tests and discussions on non-road test protocols.

  • Meeting Notice and Agenda (PDF-95k)
  • Presentations:
    • Biodiesel/Renewable Diesel Research Study - black and white (PDF-362k) or color (PDF-348k)
    • Development of the Light Load UDDS and CARB  Heavy-Heavy-Duty Diesel Truck Engine Dynamometer Test Cycles by Thomas D. Durbin, CE-CERT, University of California, Riverside (PDF-228k)
July 8, 2008

Meeting on June 19, 2008 has been CANCELED and is RESCHEDULED to July 8, 2008

Biodiesel/Renewable Diesel Work Group Meeting in Sacramento from 9:00 a.m. to 12:00 p.m. on Tuesday, July 8, 2008. Discussion topics will include, but are not limited to, biodiesel characterization and oxides of nitrogen (NOx) impact study updates, NOx mitigation study, and biodiesel multimedia.

  • UPDATED Meeting Notice and Agenda (PDF-54k)
  • Presentations:
    • Biodiesel/Renewable Diesel Research Study - black and white (PDF-89k) or color (PDF-103k)
    • Presentation by Thomas McKone, University of California, Berkeley and Timothy Ginn, University of California, Davis (PDF-1.06mb)
June 19, 2008

Biodiesel/Renewable Diesel Work Group Meeting in Sacramento from 9:00 a.m. to 12:00 p.m. Discussion topics will include, but are not limited to, biodiesel characterization and oxides of nitrogen (NOx) impact study updates, NOx mitigation study, and biodiesel multimedia.

April 10, 2008

Biodiesel/Renewable Diesel Work Group Meeting in Sacramento from 9:00 a.m. to 2:00 p.m. Discussion topics will include, but are not limited to, updates to fuels, engine selection, and vehicle selection.

  • Meeting Notice and Agenda (PDF-88k).
  • Presentation:
  • Revised Test Protocol:
February 26, 2008

Biodiesel/Renewable Diesel Work Group Meeting in El Monte from 12:00 p.m. to 3:00 p.m. Discussion topics will include, but are not limited to, updates to fuels, storage, engine selection, and vehicle selection.

December 5, 2007

Biodiesel/Renewable Diesel Work Group Meeting in Sacramento from 9:00 a.m. to 2:00 p.m. Discussion topics will include, but are not limited to, test logistics, test protocol, and NOx mitigation.

  • Updated Meeting Notice and Agenda (PDF-107k). (Please note that the teleconference Dial-In# and Participant Code have been changed)
  • Presentations:
October 5, 2007

Biodiesel/Renewable Diesel Work Group Meeting in Sacramento from 9:00 a.m. to 2:00 p.m. Discussion topics will include, but are not limited to the ARB Biofuels/Renewable Diesel Research Plan.

  • Meeting Notice and Agenda (PDF-70k)
  • ARB Staff Presentation - in black and white (PDF-353k), in color (PDF-385k)
  • Presentation of A 2nd Opinion Inc. - "Avoid Data that Hides Behind Error Band" by Cal Hodge (PDF-81k)
August 30, 2007

Biofuels Work Group Meeting in Sacramento from 1:15 p.m. to 4:30 p.m. Discussion topics will include, but are not limited to the ARB Biofuels Research Plan.

  • Meeting Notice and Agenda (PDF-70k)
  • Proposed Work Plan for Biofuels Research Study (PDF-600k)
  • ARB Staff Presentation (PDF-70k)
  • Presentation of National Biodiesel Board - "ASTM Specification Update" by Steve Howell (PDF-724k)

The following documents are copies of the grants and contracts for the Biofuels Research Study:

  • Center for Environmental Research and Technology - UC Riverside:
  • UC Berkeley:
  • UC Davis:
March 20, 2007

Biodiesel Work Group Meeting in Sacramento from 9:00 a.m. to 1:00 p.m. Discussion topics will include, but are not limited to the Revised ARB Draft Advisory on Biodiesel and the ARB biodiesel research plan.

  • Meeting Notice and Agenda (PDF-80K)
  • ARB Staff Presentation (PDF-37K)
  • Proposed Biodiesel Research (PDF-134K)
  • Submitted Comments on the Draft Biodiesel Advisory:
  • Submitted Comments on the Proposed Biodiesel Research Study:
December 15, 2006

Biodiesel Work Group Meeting in Sacramento from 9:00 a.m. to 1:00 p.m. Discussion topics will include, but are not limited to the Revised ARB Draft Advisory on Biodiesel, the ARB biodiesel research plan, and the American Society of Testing and Materials activities.

November 16, 2006 Revised ARB Draft Advisory on Biodiesel Use (PDF-17k) will be discussed in the Fuels Workshop in Sacramento November 16, 2006. The meeting notice and agenda of the fuels workshop can be found at the fuels webpage.

- The public may submit comments relating to the
Revised ARB Draft Advisory on Biodiesel Use in writing or by e-mail to be considered by the Air Resources Board staff. All comments are requested to be received by December 5, 2006. Comments should be sent to:

Robert Okamoto
Industrial Section
Air Resources Board
P.O. Box 2815
Sacramento, California 95814
or email to:
rokamoto@arb.ca.gov
July 7, 2006 Public Comments to ARB's Suggested Biodiesel Policy (PDF-6,700k)
May 24, 2006 ARB's Suggested Biodiesel Policy (PDF-17k) as presented by ARB Staff in the Fuels Workshop in Sacramento May 24, 2006

- The public may submit comments relating to the draft suggested biodiesel policy in writing or by e-mail to be considered by the Air Resources Board staff. All comments must be received by June 26, 2006. Written comments should be sent to:

Robert Okamoto
Industrial Section
Air Resources Board
P.O. Box 2815
Sacramento, California 95814
or email to:
rokamoto@arb.ca.gov
June 23, 2005

Biodiesel Briefing to the Board in Fresno

June 8, 2005

Biodiesel Work Group Meeting in Sacramento from 10:00 a.m. to 3:00 p.m. to discuss Biodiesel Fuel issues related to air pollution.

  • Meeting Notice and Agenda (PDF - 82K)
  • ARB Staff Presentation (PDF - 75K)
  • Other Presentations:
    • Effects of Biodiesel on NOx Emmissions by Robert McCormick (NREL) (PDF-452k)
    • ASTM Biodiesel Update by Steve Howell (National Biodiesel Board) (PDF-54k)
April 12, 2004

Biodiesel Work Group Meeting in Sacramento from 10:00 a.m. to 12:00 p.m. to discuss Biodiesel Fuel issues related to air pollution.

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