California Air Resources Board

Public Meeting in Sacramento from 9:00 a.m. to 12:00 p.m. to Discuss Compressed Natural Gas (CNG) Fuel Specifications.

• Meeting Notice and Agenda
  • Revised Agenda
• CARB Staff Presentation: color; black and white
• Stakeholder Presentations
  • Southern California Gas Company
  • San Diego Air Pollution Control District: color; black and white
• Research Studies
  • SoCalGas/SDG&E Vehicle Report (this link not found)
  • SwRI Heavy Duty Study (this link not found)
  • Sierra Research HD Analysis (this link not found)
  • SwRI Light Duty Study (this link not found)
  • Sierra Research LD Analysis (this link not found)
• Comment Letters
  • Sempra Energy Utilities
    • Proposed Specifications for Alternative Motor Vehicle Fuels
    • American Honda Motor Company, Inc. Letter
  • Sempra LNG
  • South Coast Air Quality Management District
  • Engine Manufacturers Association
  • Kings Canyon Unified School District
  • St. Croix Research
  • Clean Energy
  • San Diego County Air Pollution Air District 
    • Cover Letter
    • Comments
  • Revolution CNG
  • Central Coast Clean Cities Coalition
  • General Motors

Public Consultation Meeting in Sacramento from 10:00 a.m. to 3:00 p.m. to Discuss a Draft Proposed Concept to Revise the Motor Vehicle CNG Specifications.

• Meeting Notice and Agenda
• Draft CNG Specifications Proposal
• ARB Staff Presentation (PPT) or (PDF)
• Research Needs:
  • Aspen Environmental Group: Natural Gas Heat Content Surge by William Walters (PPT) or (PDF)
  • California Energy Commission: Public Interest Natural Gas Air Quality Research Program by Marla Mueller (PPT) or (PDF)
• Industry Presentations:
  • Bevilacqua-Knight, Inc.: Comments On The Proposed CARB Alternative Fuel Specifications by Steven Sokolsky (PPT) or (PDF)
  • California Natural Gas Vehicle Coalition: NGV Commercial Fuel Spec by Mike Eaves (PPT) or (PDF)
  • Engine Manufacturers Association: Presentation at the CARB Workshop by Roger Gault (PPT) or (PDF)
  • Gas Technology Institute: Natural Gas Composition for NGVs by William E. Liss (PPT) or (PDF)
  • Pacific Gas and Electric Company: Comments to the CARB Draft Proposed Concept – CNG Motor Vehicle Specifications by Tony Estrada (PPT) or (PDF)
  • Shell North America LPG: Presentation at the CARB Workshop by Edgar Kuipers (PPT) or (PDF)
  • SoCal Gas: Comments on the CARB Draft Proposed Concept to Revise Motor Vehicle CNG Specifications by Edwin Harte (PPT) or (PDF)
  • Southwest Research Institute: Study on the Effect of Varying Fuel Composition on Fuel Supplied to Cummins and Detroit Diesel Gas Engines by James Chiu (PPT) or (PDF)
  • Western States Petroleum Association and California Independence Petroleum Association: Presentation at the CARB Workshop by Tom Umenhofer (PPT) or (PDF)
• Comment Letters:
  • Santa Barbara County Air Pollution Control District by Terry Dressler
  • County of San Luis Obispo Air Pollution Control District by Larry R. Allen

Change of Date: Natural Gas Quality Workshop Notice

The California Energy Commission and the California Public Utilities Commission will conduct a joint workshop to address natural gas quality issues on February 17 and 18, 2005 in San Francisco, CA.

• Notice of Change of Workshop Date

Natural Gas Quality Workshop Notice   

The California Energy Commission and the California Public Utilities Commission will conduct a joint workshop to address natural gas quality issues on December 8 and 9, 2004 in San Francisco, California.

The workshop is being conducted in collaboration with the California Air Resources Board and the California Department of Conservation’s Division of Oil, Gas, and Geothermal Resources.

• Workshop Notice and Agenda

Notice of Cancellation

The Hearing for consideration of amendments to the California Alternative Fuels for Motor Vehicle Regulations has been cancelled. A new notice will be published at least 45 days in advance of the public hearing.   

This notice can be accessed from our website.

Notice of Change Location

The Meeting Location for Public Hearing scheduled on May 16, 2002 for considering the adoption of Proposed Amendments to the Compressed Natural Gas and Liquefied Petroleum Gas Specifications in the California Alternative Fuels for Motor Vehicle Regulations has been changed.    

For more information please go to the formal rulemaking area.

Notice of Postponement

The Public Hearing scheduled on February 21, 2002 for considering the adoption of: Proposed Amendments to the Compressed Natural Gas and Liquefied Petroleum Gas Specifications in the California Alternative Fuels for Motor Vehicle Regulations has been postponed.    

For more information please go to the formal rulemaking area.

Public Meeting Notice and Agenda to Discuss Proposed Amendments CNG and LPG Motor Vehicle   
Fuel Specifications

• CNG Presentation (PPT) (PDF)
• CNG Attendee List
• LPG Presentation (PPT) (PDF)
• LPG Attendee List

Public meeting notice and agenda to discuss CNG motor vehicle fuel quality. 

• CARB Presentation
• CARB Strawman Proposal
• CARB Public Meeting Attendance List
• Kings Canyon Unified School District Fleet Presentation
• Kings Canyon - Fleet Attachment
• Engine Manufacturers Association Presentation
• Southern California Gas Presentation
• Membrane Technology and Research Presentation

Workshop notice and agenda to discuss the need to amend the alternative fuels regulations for LPG or CNG, and draft concepts.

• CARB Staff Presentation
• EMA Presentation
• SoCal Gas Presentation
• Mendocino AQMD Presentation
• Antek Presentation
• CAVTEC Presentation

Workshop Notice for October 29, 1998 Re: Evaluation of the Motor Vehicle Fuel Specifications for Compressed Natural Gas

CARB Gives First Time Approval to Compressed Natural Gas Truck Parts   
CARB Certifies State's First Compressed Natural Gas Bus   
CARB Demonstrates First Natural Gas Powered "Clean Air" School Bus