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Fuels and Fuel Additives


EPA's transportation fuel programs help protect public health and the environment by improving fuel quality and controlling fuel properties. Clean fuels help reduce harmful emissions from a wide variety of motor vehicles, engines, and equipment.

Fuel Programs Key Topics:

Renewable and Alternative Fuels: Information about transportation fuels such as gaseous fuels, alcohols, and electricity, and about fuels derived from renewable sources.

Gasoline: Information about EPA's gasoline regulations, including the Tier 3 Gasoline Sulfur program, the Mobile Source Air Toxics rule, Reformulated Gasoline (RFG) regulations, and volatility requirements.

Diesel: Information about diesel fuel programs including regulations that significantly reduce the sulfur content of diesel fuel.

State Fuel Programs: Information about fuel programs that are managed by individual states, including low RVP (fuel volatility) programs, and winter oxygenated fuel programs.

Emergency Fuel Waivers: Information about how states can request a temporary waiver of EPA's fuel requirements during emergencies.

Compliance Information Key Topics:

Fuels and Fuel Additives Registration: Information about the requirements for registration and health effects testing of new fuels or fuel additives.

Reporting: Information about mandatory registration for fuels reporting and about mandatory reporting forms for parties regulated under EPA fuel programs.

For compliance help information on a specific fuel program, please visit the program web page, under Fuel Programs.

General Information Key Topics:

Publications and Data: Information on the Office of Transportation and Air Quality's web-based repository of mobile source documents, including regulations, Federal Register notices, policy letters, and guidance documents.

Frequent Questions: Find answers to frequently asked questions, or ask a new question about EPA fuel programs.

Related Links: Find useful links related to fuel programs, regulations, etc.


If you have questions or request information, please contact the appropriate support or help line found on the Support & Help page.

Please visit EPA's Transportation and Air Quality web-based repository of mobile source documents, Document Index System (DIS). This searchable repository contains regulations, Federal Register notices, policy letters, and guidance documents.

Please visit our Related Links page for other fuel related information within EPA, other U.S. Agencies, and other fuel related websites.

This page is maintained by EPA's Office of Transportation and Air Quality (OTAQ).
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