Climate Change Program for Mobile Sources

This page last reviewed May 8, 2008

This page provides information regarding ARB's climate change regulations for mobile sources. These regulations are pursuant to Assembly Bill 1493 (Pavley). For updated information on this program, please consider joining ARB's climate change mobile source e-list.


What's New?
ARB releases addendum comparing the benefits of AB 1493 and proposed federal 2011-2015 model year fuel economy standards for the United States and Canada (May 8, 2008)


ARB and ITS-Davis are hosting a one day Symposium at the CalEPA headquarters to discuss policy mechanisms for further reductions in vehicle greenhouse gas emissions.

Reducing Greenhouse Gas Emissions from Passenger Vehicles “What’s Next”

ARB releases a final review and assessment comparing the benefits of AB 1493 and the new federal CAFE standards, including results for the entire United States and Canada.  Please note: Minor typos in Tables 15 and 16 corrected and document reposted on February 27, 2008 ARB issues its technical study and addendum comparing AB 1493 (Pavley Rules) and the CAFE standard in the Federal Energy Bill in terms of greenhouse gas reductions
Fact Sheets
  • Climate Change Emissions Control Regulations (English)
  • Reducing Climate Change Emissions from Motor Vehicles (English) (Spanish)
  • FAQ: Reducing Climate Change Emissions from Motor Vehicles (English) (Spanish)
  • Backgrounder: The Greenhouse Effect and California (English) (Spanish)


Previous Workshops and Meetings
May 22 & 30, 2007 Public Hearing


U.S. EPA Public Hearings on California's request for a waiver to implement a Greenhouse gases reduction measure for motor vehicles. 

ARB submitted comments on July 24, 2007. View Document
ARB submitted comments on June 14, 2007. View Document

The first hearing was held May 22 at the U.S. EPA's Potomac Yard Conference Center, in Arlington, Virginia.
 
ARB's Waiver Presentation (PPT - 10.3MB)

The second hearing was held May 30 at the Cal/EPA Headquarters, in Sacramento, California. 
ARB's Waiver Presentation (PPT - 4.3MB)

The U.S. EPA's contact for these meetings was David Dickinson, Compliance and Innovative Strategies Division, email at Dickinson.David@EPA.GOV telephone (202) 343-9256. 
To read the U.S. EPA's meeting notices, refer to the two links below:


December 21, 2005 Waiver Request
On December 21, 2005 the Air Resources Board submitted to the U.S. Environmental Protection Agency a Request for Waiver of Preemption Under Clean Air Act Section 209(b) regarding California's regulations to control greenhouse gas emissions from motor vehicles: The final rulemaking package was approved by OAL and filed with the Secretary of the State on September 15, 2005. It will become operative on October 15, 2005. Pursuant to section 1961.1(g), Title 13, California Code of Regulations, it will be effective on January 1, 2006.

September 23, 2004 Board Meeting

Public Hearing Notice and Final Staff Report: Go to the Formal Regulatory Documents website to download a copy of the Public Hearing Notice and Final Staff Report for the rulemaking on the proposed regulations to control greenhouse gas emissions from motor vehicles. (Hearing Date: September 23)

    Technical Support Documents for the Final Staff Report

    • Climate Change Overview

    Draft

    Final

    • Climate Change Emissions Inventory

    Draft

    Final

    • Economic Impacts of the Climate Change Emissions Regulations

    Draft

    Final

    • HFC-134A as an Automotive Refrigerant - Background, Emissions and Effects of Potential Controls

    Draft

    Final

    • Mobile Air Conditioning Systems - Direct Emissions Technology Assessment

    Draft

    Final

    • Mobile Air Conditioning Systems - Indirect Emissions

    Draft

    Final

    • Air Conditioning Thermodynamics

    Draft

    Final

    • Other Considerations

    Draft

    Final


Tuesday - July 13, 2004 (Pacoima)
Environmental Justice Focused Workshop


July 8, 2004 (Fresno)
Environmental Justice Focused Workshop


July 7, 2004 (Sacramento)
Regulatory Workshop


July 6, 2004 (Oakland)
Environmental Justice Focused Workshop


April 20, 2004
Technology Assessment Workshop on Climate Change Emission Regulations for Light-Duty Vehicles       


February 18, 2004
Climate Change Workshop: Climate Change Regulations for Motor Vehicles - Environmental Justice Concerns


November 20, 2003
Board Update on Climate Change Emissions Regulations Progress


October 14, 2003
Climate Change Emissions Regulations Workshop: Alternative Compliance Strategies


September 18, 2003
Climate Change Emissions Regulations Workshop:  Standards and Economics


March 11-13, 2003
International Vehicle Technology Symposium


December 3, 2002
Public Workshop


September 26, 2002
Board Meeting
  • Staff Presentation to Board Regarding AB 1493 Implementation - Presented at September 26, 2002 Board Meeting


Background Information


Other Related Links


Additional Information
For question or comments regarding any materials found on this page, please contact Richard Varenchik at (626) 575-6730



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