Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Emergency

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory

Breadcrumb

  1. Home
  2. Gasoline Standards

State Winter Oxygenates Guidance and Background Documents

  • Oxyfuels Information Needs - May 1996 Office of Research & Development (ORD) report (pdf) (74.8 KB, May 1996, EPA/600/R-96/069)
    This report discusses information that would improve scientific understanding of the impacts of oxygenated fuels on the environment and public health.
  • State Winter Oxygenated Fuel Program Requirements for Attainment or Maintenance of CO NAAQS (pdf) (128 KB, January 2008, EPA420-B-08-006)
    List of locations with winter oxygenated fuel programs.
  • Report: Interagency Assessment of Oxygenated Fuels
  • Memo: Water Phase Separation in Oxygenated Gasolines (pdf) (14.78 KB, February 27, 1996)

Gasoline Standards

  • Learn About
  • Gasoline Programs
  • Announcements
  • Regulations
  • Compliance
  • Fuel Waivers & Exemptions
Contact Us About Gasoline Standards
Contact Us About Gasoline Standards to ask a question, provide feedback, or report a problem.
Last updated on December 19, 2024
  • Assistance
  • Ayuda
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • Aide
  • Asistans
  • Korean
  • Assistência
  • Russian
  • Tulong
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.