Announcements for Gasoline Standards

Announcements include regulations, Federal Register notices, guidance and other supporting information.

Announcement TitleDate
(Year/Month)
Final Rule to Extend the Effective Date for Removal of Gasoline Volatility Waiver for Ohio and Nine Counties in South Dakota2025/03
Final Rule for Fuels Regulatory Streamlining Amendments Rule2025/01
Proposed Rule for Fuels Regulatory Streamlining Amendments Rule2024/08
Final Rule in Response to Request From States for Removal of Gasoline Volatility Waiver2024/02
Final Rule Reformulated Gasoline Covered Areas2023/10
Proposed Rule in Response to Request From States for Removal of Gasoline Volatility Waiver2023/03
Technical Report for Economics of Blending 10 Percent Corn Ethanol into Gasoline (pdf) (8.3 MB, EPA-420-R-22-034)2022/11
Final Rule for Removal of the Federal Reformulated Gasoline Program from the Southern Maine Area2021/07
Proposed Rule for E15 Fuel Dispenser Labeling and Compatibility with Underground Storage Tanks2021/01
Final Rule for Streamlining and Consolidating of Existing Gasoline and Diesel Fuel Programs2020/12
Proposed Rule for Streamlining and Consolidating of Existing Gasoline and Diesel Fuel Programs2020/05
Gasoline Additive MMT Health Effects Testing under Section 211 (b) of the CAA2020/05
Final Rule for Relaxation of the Summer Gasoline Volatility Standard for the Atlanta RVP Area2019/09
Final Rulemaking for Modifications to Fuel Regulations to Provide Flexibility for E15 and to Elements of the Renewable Identification Number Compliance System2019/06
Proposed Rule for Modifications to Fuel Regulations to Provide Flexibility for E15 and to Elements of the Renewable Identification Number Compliance System2019/03
Final Rule for Relaxation of the Summer Gasoline Volatility Standard for the Baton Rouge Area, Louisiana2018/10
Final Rule for Approval of Louisiana's Request To Relax the Federal Reid Vapor Pressure (RVP) Gasoline Volatility Standard for Several Parishes (pdf) (243 KB, published December 26, 2017)2017/12
Final Rule for Removal of the Federal Reformulated Gasoline Program from the Northern Kentucky Portion of the Cincinnati-Hamilton Ozone Maintenance Area2018/04
Final Rule for Approval of Tennessee's Request To Relax the Federal Reid Vapor Pressure (RVP) Gasoline Volatility Standard for Shelby County (Memphis) (pdf) (229 KB, published December 22, 2017)2017/12
Final Rule for Approval of Tennessee’s Request To Relax the Federal Reid Vapor Pressure Gasoline Volatility Standard for Davidson, Rutherford, Sumner, Williamson, and Wilson Counties; and Minor Technical Corrections for Federal Reid Vapor Pressure Gasoline Volatility Standards in Other Areas (pdf) (235 KB, published June 7, 2017)2017/06
Final Rule for Amendments Related to Tier 3 Motor Vehicle Emission and Fuel Standards2016/04
Final Rule for Relaxation of Summer Gasoline Volatility Standard for Mecklenburg and Gaston counties, North Carolina Direct final action2015/08
Final Rule for Relaxation of Summer Gasoline Volatility Standard for Jefferson and Shelby counties, Alabama (“the Birmingham area”)2015/07
Proposed Rule for Amendments Related to: Tier 3 Motor Vehicle Emission and Fuel Standards, Nonroad Engine and Equipment2015/02
Final Rule for Extension of the Reformulated Gasoline Program to Maine’s Southern Counties (published February 6, 2015)2015/02
Extension of the Reformulated Gasoline program to Maine's Southern Counties (pdf) (234 KB, published August 28, 2014)2014/08
Final Rule for Relaxation of Summer Gasoline Volatility Standard for Florida and the Raleigh-Durham-Chapel Hill Area (Triangle Area) and the Greensboro/Winston-Salem/High Point Area (Triad Area) in North Carolina (pdf) (260 KB, published May 22, 2014)2014/05
Final Rule for Control of Air Pollution from Motor Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards2014/04
Final Rule for Regulation of Fuel and Fuel Additives: Reformulated Gasoline Requirements for the Atlanta Covered Area2014/03
Requests for Modification of Octamix Waiver in 20122012
Requests for Modification of Octamix Waiver2011
Regulation To Mitigate the Misfueling of Vehicles and Engines With Gasoline Containing Greater Than Ten Volume Percent Ethanol and Modifications to the Reformulated and Conventional Gasoline Programs2011/07
Petition for New Rulemaking Under CAA to Require the Continued Availability of Gasoline Blends less than or equal to 10% Ethanol E10 Fuel Waivers2011/04
Alternative Test Method for Olefins in Gasoline (pdf) (168 KB)2011/01
Alternative Test Method for Olefins in Gasoline (pdf) (168 KB, published January 31, 2011)2011/01
Partial waiver for E15 for use in MY2001-2006 light-duty motor vehicles2011/01
Partial Waiver for E15 for use in MY2007 and newer light-duty motor vehicles (November 4, 2010)2010/11
Gasoline and Diesel Fuel Test Methods (published February 6, 2009)2009/02
Proposed Regulation of Fuels and Fuel Additives: Federal Volatility Control Program in the Denver-Boulder-Greeley-Ft. Collins-Loveland, Colorado, 1997 8-Hour Ozone Nonattainment Area (pdf) (161 KB, published August 24, 2009)2009/08
Direct Final Rule Approving Relaxation of Summer Gasoline Volatility Standard for Grant Parish Area (pdf) (157 KB, published February 13, 2008)2008/02
State Winter Oxygenated Fuel Program Requirements for Attainment or Maintenance of CO NAAQS2008/01
Modification of Baselines for Gasoline Produced or Imported for Use in Hawaii, Alaska, and U.S. Territories (pdf) (203 KB)2007/10
Extension of the Reformulated Gasoline Program to the East St. Louis, Illinois Ozone Non-attainment Area (pdf) (159 KB)2007/04
Final Rule for Control of Hazardous Air Pollutants from Mobile Sources2007/02
Regulation of Fuel and Fuel Additives: Refiner and Importer Quality Assurance Requirements for Downstream Oxygenate Blending and Requirements for Disposition of Pipeline Interfaces (pdf) (210 KB)2006/06
Regulation of Fuel and Fuel Additives: Removal of Reformulated Gasoline Oxygen Content Requirement (pdf) (190 KB)2006/05
Removal of Reformulated Gasoline Oxygen Content Requirement (National) and Revision of Commingling Prohibition to Address Non-Oxygenated Reformulated Gasoline (National) (pdf) (178 KB)2006/02
Removal of Reformulated Gasoline Oxygen Content Requirement for California Gasoline and Revision of Commingling Prohibition to Address Non-Oxygenated Reformulated Gasoline in California (pdf) (167 KB)2006/02
Final Rule: Modifications to Standards and Requirements for Reformulated and Conventional Gasoline Including Butane Blenders and Attest Engagements2005/12
Final Rule for Control of Air Pollution From New Motor Vehicles; Revisions to Motor Vehicle Diesel Fuel Sulfur Transition Provisions; and Technical Amendments to the Highway Diesel, Nonroad Diesel, and Tier 2 Gasoline Programs2005/11
Proposed Relaxation of Summer Gasoline Volatility Standard for Denver/Boulder Area2002/03
Final Rule for Control of Air Pollution From New Motor Vehicles: Tier 2 Motor Vehicle Emissions Standards and Gasoline Sulfur Control Requirements2000/02
Extension of the Reformulated Gasoline Program to the St. Louis, Missouri, Moderate Ozone Non-attainment Area (pdf) (140 KB)1999/03
Final Notification: Requirements for Baseline Gasoline and Non-baseline (oxygenated) Gasoline groups under Section 211(b) of the CAA (pdf) (698.75 KB, November 1998) 1998/11
Modification of the Covered Areas Provision for Reformulated Gasoline - RE: Former Non-attainment Areas (pdf) (222 KB)1998/09
Removal of the RFG Program from the Phoenix, Arizona Serious Ozone Non-attainment Area1998/08
Extension of Comment Period: Proposed Alternative Tier 2 Requirements for Baseline Gasoline and Oxygenated Gasoline Categories of Methyl Tertiary Butyl Ether, Ethyl Alcohol, and Other Oxygenates1997/11
Notification: Requirements for Baseline Gasoline and Non-baseline (oxygenated) Gasoline groups under Section 211(b) of the CAA (pdf) (1.63 MB, August 1997) 1997/08
Transitional and General Opt-out Procedures for Phase II Reformulated Gasoline (pdf) (145 KB)1997/10
Report: Interagency Assessment of Oxygenated Fuels1997/07
Oxyfuels Information Needs - May 1996 Office of Research & Development (ORD) report1996/05
Extension of the Reformulated Gasoline Program to the Phoenix, Arizona Moderate Ozone Non-attainment Area1997/06
General Procedures to Opt Out of the RFG Requirements. Also, removal of certain counties in New York, Pennsylvania and Maine from the RFG Program1996/07
Memo: Water Phase Separation in Oxygenated Gasolines1996/02
Extension of Stay of the RFG Program: parts of NY, PA, and ME1995/07
Original RFG Final Rule: Standards for Reformulated and Conventional Gasoline Rule1994/02
Volatility Regulations for Gasoline and Alcohol Blends1990/06
Notice of EPA's interpretation of Gasohol waiver (E10)1982/04

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Last updated on September 19, 2025