This page contains program announcements such regulations, Federal Register notices and guidance posted on or before calendar year 2011. 

Gasoline Sulfur

• Tier 3 gasoline program 
• Tier 2 gasoline program 

Gasoline Mobile Source Air Toxics

• MSAT program 

Reformulated Gasoline (RFG)

• Testing Method
  • Alternative Test Method for Olefins in Gasoline (October 2011)
  • Gasoline and Diesel Fuel Test Methods (published February 6, 2009) 
• Regulation
  • Modification of Baselines for Gasoline Produced or Imported for Use in Hawaii, Alaska, and U.S. Territories (October 25, 2007)
  • Regulation of Fuel and Fuel Additives: Refiner and Importer Quality Assurance Requirements for Downstream Oxygenate Blending and Requirements for Disposition of Pipeline Interfaces (June 2, 2006)
  • Regulation of Fuel and Fuel Additives: Removal of Reformulated Gasoline Oxygen Content Requirement (May 8, 2006)
  • Removal of Reformulated Gasoline Oxygen Content Requirement (National) and Revision of Commingling Prohibition to Address Non-Oxygenated Reformulated Gasoline (National) (February 22, 2006)
  • Removal of Reformulated Gasoline Oxygen Content Requirement for California Gasoline and Revision of Commingling Prohibition to Address Non-Oxygenated Reformulated Gasoline in California (February 22, 2006)
  • Direct Final Rule: Modifications to Standards and Requirements for Reformulated and Conventional Gasoline Including Butane Blenders and Attest Engagements (December 2, 2005)
  • Original RFG Final Rule: Standards for Reformulated and Conventional Gasoline Rule (February 16, 1994)  
• RFG Opt-In
  • Extension of the Reformulated Gasoline Program to the East St. Louis, Illinois Ozone Non-attainment Area (April 24, 2007)
  • Extension of the Reformulated Gasoline Program to the St. Louis, Missouri, Moderate Ozone Non-attainment Area (March 3, 1999) 
  • Modification of the Covered Areas Provision for Reformulated Gasoline - RE:  Former Non-attainment Areas (September 29, 1998)
  • Extension of the Reformulated Gasoline Program to the Phoenix, Arizona Moderate Ozone Non-attainment Area (June 3, 1997)
• RGF Opt-Out
  • Removal of the RFG Program from the Phoenix, Arizona Serious Ozone Non-attainment Area (August 11, 1998) 
  • Transitional and General Opt-out Procedures for Phase II Reformulated Gasoline (October 20, 1997) 
  • General Procedures to Opt Out of the RFG Requirements. Also, removal of certain counties in New York, Pennsylvania and Maine from the RFG Program (July 8, 1996) 
  • Extension of Stay of the RFG Program: parts of NY, PA, and ME (July 10, 1995)

Gasoline Reid Vapor Pressure (RVP)

• Alternative Test Method for Olefins in Gasoline (January 31, 2011)
• 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 (August 24, 2009)
• Direct Final Rule Approving Relaxation of Summer Gasoline Volatility Standard for Grant Parish Area (February 7, 2008)
• Proposed Relaxation of Summer Gasoline Volatility Standard for Denver/Boulder Area (March 2002)
• Volatility Regulations for Gasoline and Alcohol Blends (June 1990)

Winter Oxygenates

• State Winter Oxygenated Fuel Program Requirements for Attainment or Maintenance of CO NAAQS (January 2008)
• Report: Interagency Assessment of Oxygenated Fuels (July 2, 1997)
• Memo: Water Phase Separation in Oxygenated Gasolines (February 1996)
• Oxyfuels Information Needs - May 1996 Office of Research & Development (ORD) report

Ethanol Waivers

• F.R. Notices
  • Partial waiver for E15 for use in MY2001-2006 light-duty motor vehicles (January 26, 2011)
  • Partial Waiver for E15 for use in MY2007 and newer light-duty motor vehicles (November 4, 2010)
  • Extension of Comment Period: Notice  (May 20, 2009)
  • Notice of Receipt of Waiver Application (April 2009)
  • Notice of EPA's interpretation  of Gasohol waiver (E10) (April 1982)
• Regulations
  • Final Rule: 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 Programs (July 2011)
  • Proposed Rule: 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 Programs (November 2010)
  • Petition for New Rulemaking Under CAA to Require the Continued Availability of Gasoline Blends less than or equal to 10% Ethanol (April 2011)

Fuel Additives

• Health Effects Testing
  • Final Notification: Requirements for Baseline Gasoline and Non-baseline (oxygenated) Gasoline groups under Section 211(b) of the CAA (November 1998)
  • 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 Oxygenates (November 1997)
  • Notification: Requirements for Baseline Gasoline and Non-baseline (oxygenated) Gasoline groups under Section 211(b) of the CAA (August 1997)
  • Gasoline Additive MMT Health Effects Testing under Section 211 (b) of the CAA (May 2000) 
• Waiver Modifications
  • Requests for Modification of Octamix Waiver (December 2011)

Learn More About: 

• 2015 Announcements
• 2014 Announcements
• 2013 Announcements
• 2012 Announcements