Federal Excise Tax Exemption for Gasohol (Federal)

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Last modified on May 23, 2011.

Financial Incentive Program

Place United States

Name Federal Excise Tax Exemption for Gasohol
Incentive Type Corporate Exemption
Applicable Sector Commercial, Industrial
Eligible Technologies Ethanol
Active Incentive No

Implementing Sector Federal
Energy Category Renewable Energy Incentive Programs
Amount 5.2 cents/gallon exemption for 2003-2004 for 10% Gasohol; Less of an exemption for 7.7% and 5.7% gasohol and for the 2005-2007 period.

Program Administrator U.S. Department of Transportation
Website http://www.fhwa.dot.gov/tea21/factsheets/htf.htm
Date added to DSIRE 2003-04-01
Last DSIRE Review 2004-06-08

References DSIRE[1]


Since 1978, the excise tax for 10% gasohol fuels has included a partial exemption from the federal excise tax rate for gasoline. Extended and revised over the years, the current federal excise tax rate for 10% gasohol is 13.2 cents per gallon. This is a 5.2 cents per gallon exemption from the 18.4 cents per gallon tax rate for gasoline. The 5.2 cents per gallon amount will continue through December 31, 2004. The amount will drop to 5.1 cents per gallon for the period of 2005 - 2007. These schedule amounts were included in the Transportation Efficiency Act of the 21st Century (TEA 21), enacted in June 1998. TEA 21 expires on December 31, 2007.

In addition to 10% gasohol, lower excise tax rates are provided for two other gas/alcohol mixtures. 7.7% gasohol has an excise tax rate of 14.4 cents per gallon and 5.7% gasohol has an excise tax rate of 15.4 cents per gallon. Taxes are filed quarterly.

Publication 510, Excise Taxes for 2003, describes the three types of gasohol. The excise tax rates themselves are included in the Instructions for Form 720. The IRS general web site listed below under "Contact" provides a "Forms and Publications Finder." Enter the form or publication name or number that you are interested in, and click on "GO" to receive the requested form or publication.

Incentive Contact

Contact Name Public Information - DOT
Department U.S. Department of Transportation

Address 400 7th Street, S.W

Place Washington, District of Columbia
Zip/Postal Code 20590
Phone (202) 366-4000

Email dot.comments@ost.dot.gov
Website http://www.dot.gov
Contact Name Public Information - IRS
Department U.S. Internal Revenue Service

Address 1111 Constitution Avenue, N.W.

Place Washington, District of Columbia
Zip/Postal Code 20224
Phone (800) 829-1040

Website http://www.irs.gov

  • Incentive and policy data are reviewed and approved by the N.C. Solar Center's DSIRE project staff.[1]


  1. 1.0 1.1  "Database of State Incentives for Renewables and Efficiency (DSIRE)"