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Mobile Source Emission Control Bulletin
2005
January 03, 2005
Note: The Mobile Source Emission Control Bulletin was discontinued at the end of 2004.
2004
December 17, 2004
EPA Announces Final Designations for PM2.5 Standard
November 22, 2004
ARB Approves Mandatory Use of CARB Diesel by Intrastate Locomotive and Marine Engines
November 05, 2004
EPA Releases Final Science Review Document of Clean Air Standards for Particulate Matter
October 18, 2004
Environment Canada Announces Intent to Adopt U.S. EPA Off-Road Diesel Sulfur Fuel Requirements
October 08, 2004
STAPPA/ALAPCO Leads Efforts by States to Adopt California Highway Diesel Regulations
October 08, 2004
EPA Joins West Coast States in Efforts to Reduce Diesel Emissions
August 17, 2004
EPA Certifies First Hybrid SUV
August 06, 2004
EPA Awards $30 Million for Research on Air Pollution Health Effects
July 27, 2004
ARB's 10-Year Children's Health Study Issues Final Report
June 30, 2004
EPA Issues Preliminary Designations for Fine Particulate Standards
June 18, 2004
ARB Issues First Proposal for Controlling Climate Change Emissions from Light-Duty Vehicles
June 18, 2004
EPA Issues Proposal for In-Use Emission Testing of On-Road Heavy-Duty Vehicles
2002
November 14, 2002
ARB Harmonizes its Standards with the U.S. EPA 2008 Gasoline HDE Standards and New SULEV Category for Gasoline HDEs
October 24, 2002
ARB Approves Revisions to Urban Bus Retrofit Rule
September 13, 2002
U.S. EPA Finalizes Emission Standards for Nonroad Engines
August 06, 2002
EPA Finalizes NCP Rule for Diesel Engines (PDF 89KB)
May 29, 2002
EPA Proposes Rule on Emission Control of New Large Marine Compression-Ignition Engines (PDF 58KB)
May 16, 2002
ARB Adopts Retrofit Verification Procedures (PDF 50KB)
May 03, 2002
Court Unanimously Upholds EPA's 2007 On-Road HDE Standards/Diesel Sulfur Limits (PDF 58KB)
April 25, 2002
ARB Adopts Comprehensive Enhancements to Its OBD Regulations (PDF 60KB)
March 26, 2002
U.S. Court Upholds Clean Air Standards (PDF 51KB)
January 16, 2002
Non-Conformance Penalties Proposed for 2004 Highway HDEs (PDF 83KB)
2001
September 20, 2001
U.S. EPA Proposes Emission Standards for Nonroad Engines (PDF 45KB)
July 26, 2001
ARB Adopts Stringent Emission Standards for Inboard and Sterndrive Marine SI Engines (PDF 62KB)
2000
December 21, 2000
EPA Adopts Historic Initiative to Substantially Reduce Emissions from On-Road Heavy-Duty Engines and Vehicles (PDF 19KB)
December 08, 2000
California's Air Resources Board Implements Revised HDE Certification Procedures Two Years Early (PDF 5KB)
December 07, 2000
California's Air Resources Board Harmonizes Certain Light-Duty and Medium-Duty Vehicle and HDE Standards with Federal Standards (PDF 5KB)
December 07, 2000
California's Air Resources Board Approves Funding Guidelines for Lower-Emission School Bus Program (PDF 4KB)
December 07, 2000
EPA Announces Comprehensive Plan to Reduce Emissions from Nonroad Spark-Ignition (SI) Engines above 25 hp, Recreational Marine and Nonroad Vehicles, and Highway Motorcycles (PDF 24KB)
October 03, 2000
California's Air Resources Board Approves Comprehensive Plan to Cut Diesel PM Emissions (PDF 30KB)
July 31, 2000
EPA Finalizes Emission Control Program for 2004 and Later Model Year Highway Heavy-Duty Engines and Vehicles (PDF 9KB)
May 17, 2000
EPA Proposes Stringent Heavy-Duty Engine Emission Standards and Low Sulfur Diesel Fuel (PDF 31KB)
April 28, 2000
New York Announces Plan to Clean Up New York City Buses (PDF 6KB)
March 24, 2000
EPA Announces Voluntary Diesel Retrofit Program (PDF 4KB)
March 08, 2000
EPA Finalizes Phase 2 Standards for Handheld Lawn and Garden Equipment (PDF 13KB)
February 24, 2000
ARB Adopts Ground-Breaking Emission Control Program for Urban Buses (PDF 18KB)
January 28, 2000
ARB Adopts Federal Standards Applicable to Off Road Diesel Engines (PDF 24KB)
January 04, 2000
EPA Finalizes Tier 2 Standards and Limits on Gasoline Sulfur (PDF 54KB)
1999
October 11, 1999
EPA Proposes to Retain 2004 Diesel HDE Standards and to Set New Emission Standards for Gasoline HDVs (PDF 8KB)
July 28, 1999
EPA Re-Proposes New, More Stringent Standards for Handheld Lawn and Garden Equipment (PDF 7KB)
1998
December 14, 1998
ARB Adopts Tough New Standards for Spark-Ignitions Marine Engines
December 14, 1998
ARB Tightens On-Road Motorcycle Standards
November 06, 1998
California Adopts LEV II Program
October 27, 1998
California Adopts Emission Standards for Large Off Road SI Engines
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