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Mobile Sources
National Summary
The Clean Air Act (CAA) of 1970 established the first initiative to control emissions from motor vehicles, but the 1990 Clean Air Act Amendments (CAAA) significantly strengthened mobile source emissions requirements through the implementation of mandatory programs and the establishment of voluntary programs to help address mobile source contributions to various air pollution problems.
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 562 items in 15 pages
Final Regulations 03/29/01 - Final Rule - Control of Emissions of Hazardous Air Pollutants From Mobile Sources 09/01/2001National
Final Regulations 05/07/01- Final Rule - Approval of NY Motor Vehicle Inspection and Maintenance Program (40 CFR Part 52) 05/11/2001National
Final Regulations 05/24/01 - Final Rule - Approval of Colorado's Petition To Relax the Federal Gasoline Reid Vapor Pressure Volatility Standard for 2001 (40 CFR Part 80) 05/28/2001National
Final Regulations 06/12/01 - Final Rule - Approval of Enhanced I/M Program; New Jersey (40 CFR Part 52) 06/14/2001National
Final Regulations 08/16/01 - Final Rule - Approval and Promulgation of State Implementation Plan; Wisconsin (40 CFR 52) 08/20/2001National
Final Regulations 10 CFR 490 - Alternative Fuel Transportation Program; Private and Local Government Fleet Determination 01/29/2004National
Final Regulations 10 CFR 490 -- Alternative Fuel Transport Program; Private and Local Government Fleet Determination 03/14/2008National
Proposed Regulations 10 CSR 10-5.381 - On-board Diagnostics Motor Vehicle Emissions Inspection 11/04/2008National
Final Regulations 10/06/00 Final Rules Control of Emissions of Air Pollution from 2004 and Later Model 10/06/2000National
Final Regulations 20 DCMR 9 Section 916 - Heavy Duty Diesel Emission Standards 12/16/2001National
Notices 2017 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions and Corporate Average Fuel Economy Standards 11/15/2012National
Final Regulations 40 CFR 1037, 1039, 1042, 1068 and 49 CFR Part 535 - Heavy-Duty Engine and Vehicle and Nonroad 08/16/2013National
Final Regulations 40 CFR 1037, 1039, 1042, and 1068 - Heavy-Duty Engine and Vehicle and Nonroad Technical Amendments 09/12/2013National
Final Regulations 40 CFR 1039, 1042, and 1068 - Nonroad Technical Amendments 02/06/2014National
Final Regulations 40 CFR 1042 - Control of Emissions from New and In-Use Marine Compression-Ignition Engines and Vessels; CFR Correction 05/09/2011National
Final Regulations 40 CFR 1051 - Exhaust Emission Standards for 2012 and Later Model Year Snowmobiles 06/25/2008National
Proposed Regulations 40 CFR 1051 - Exhaust Emission Standards for 2012 and Later Model Year Snowmobiles 06/25/2008National
Proposed Regulations 40 CFR 1051 - Exhaust Emission Test Procedures for All-Terrain Vehicles 04/26/2007National
Final Regulations 40 CFR 1051 - Extension of Temporary Exhaust Emission Test Procedure Option for All Terrain Vehicles 04/26/2007National
Final Regulations 40 CFR 1060 - Technical Amendments for Marine Spark-Ignition Engines and Vessels 09/16/2010National
Proposed Regulations 40 CFR 1060 - Technical Amendments for Marine Spark-Ignition Engines and Vessels 09/16/2010National
Final Regulations 40 CFR 1065 - Control of Emissions from Nonroad Large Spark-Ignition Engines, and Recreational Engines (Marine and Land-Based); Correction 12/09/2002National
Final Regulations 40 CFR 1065 - Engine-Testing Procedures 06/21/2010National
Proposed Regulations 40 CFR 51 - Air Quality: Widespread Use for Onboard Refueling Vapor Recovery and Stage II Waiver 07/15/2011National
Proposed Regulations 40 CFR 51 - Amendments to Vehicle Inspection Maintenance Program Requirements to Address the 8-Hour NAAQS for Ozone 01/06/2005National
Final Regulations 40 CFR 51 - Amendments to Vehicle Inspection Maintenance Program Requirements to Address the 8-Hour National Ambient Air Quality Standard for Ozone 04/07/2006National
Final Regulations 40 CFR 51 - Release of the MOBILE6.2 Motor Vehicle Emissions Factor Model and the December 2003 AP-42 Methods for Re-Entrained Road Dust 05/19/2004National
Final Regulations 40 CFR 51 - Revisions to the Regional Haze Rule to Correct Mobile Source Provisions in Optional Program for Nine Western States and Eligible Indian Tribes 07/07/2003National
Proposed Regulations 40 CFR 51 - Revisions to the Regional Haze Rule to Correct Mobile Source Provisions in Optional Program for Nine Western States and Eligible Indian Tribes 07/07/2003National
Proposed Regulations 40 CFR 51 - Revisions to the Regional Haze Rule to Correct Mobile Source Provisions in Optional Program for Nine Western States and Eligible Indian Tribes 09/09/2003National
Final Regulations 40 CFR 51 - Revisions to the Regional Haze Rule to Correct Mobile Source Provisions in Optional Program for Nine Western States and Eligible Indian Tribes Within That Geographic Area 12/22/2003National
Proposed Regulations 40 CFR 51 and 93 - Transportation Conformity Rule Amendments to Implement Provisions Contained in the 2005 Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) 05/02/2007National
Final Regulations 40 CFR 51 and 93 - Transportation Conformity Rule Amendments to Implement Provisions Contained in the 2005 Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) 01/24/2008National
Final Regulations 40 CFR 52 - Air Quality Implementation Plans, Kentucky 09/25/2013National
Final Regulations 40 CFR 52 - Adequacy Status of the Submitted 2009 and 2025 PM2.5 Motor Vehicle Emission Budgets for Transportation Conformity Purposes for New Jersey 06/24/2013National
Final Regulations 40 CFR 52 - Air Quality Implementation Plans; North Carolina 09/23/2013National
Proposed Regulations 40 CFR 52 - Air Quality Implementation Plans, Kentucky 05/16/2013National
Final Regulations 40 CFR 52 - Air Quality Implementation Plans, Maryland 06/11/2013National
Proposed Regulations 40 CFR 52 - Air Quality Implementation Plans, Massachusetts and New Hampshire 01/25/2013National
Final Regulations 40 CFR 52 - Air Quality Implementation Plans, Massachusetts and New Hampshire 01/25/2013National