Biofuels Incentives: A Summary of Federal Programs

Brent D. Yacobucci
Specialist in Energy and Environmental Policy

With recent high energy prices, the passage of major energy legislation in 2005 (P.L. 109-58) and 2007 (P.L. 110-140), and the passage of a farm bill in 2008 (P.L. 110-246), there is ongoing congressional interest in promoting alternatives to petroleum fuels. Biofuels—transportation fuels produced from plants and other organic materials—are of particular interest.

Ethanol and biodiesel, the two most widely used biofuels, receive significant government support under federal law in the form of mandated fuel use, tax incentives, loan and grant programs, and certain regulatory requirements. The 22 programs and provisions listed in this report have been established over the past three decades, and are administered by five separate agencies and departments: Environmental Protection Agency, U.S. Department of Agriculture, Department of Energy, Internal Revenue Service, and Customs and Border Protection. These programs target a variety of beneficiaries, including farmers and rural small businesses, biofuel producers, petroleum suppliers, and fuel marketers. Arguably, in prior years the most significant federal programs for biofuels have been tax credits for the production or sale of ethanol and biodiesel. However, with the establishment of the renewable fuel standard (RFS) under P.L. 109-58, Congress has mandated biofuels use; P.L. 110-140 significantly expanded that mandate. In the long term, the mandate may prove even more significant than tax incentives in promoting the use of these fuels.

The 2008 farm bill—The Food, Conservation, and Energy Act of 2008—amended or established various biofuels incentives, including lowering the value of the ethanol excise tax credit, establishing a tax credit for cellulosic biofuel production, extending import duties on fuel ethanol, and establishing several new grant and loan programs.

Several key biofuels incentives had expired or were set to expire (e.g., a tariff on ethanol imported from most countries, as well as tax credits for biodiesel, renewable diesel, and ethanol) before the passage of the Tax Relief, Unemployment Insurance Reauthorization, and Job Creation Act of 2010 (P.L. 111-312). The incentives included in that law have been extended through the end of 2011. However, it should be noted that support for extending some or all of these tax incentives beyond 2011 may be limited. On June 16, 2011, the Senate approved S.Amdt. 476, which would eliminate the excise tax credit for blending ethanol in gasoline. Although the prospects for the underlying legislation are unclear, this vote (73-27) suggests that it may be difficult to extend the credit beyond its scheduled December 31, 2011, expiration.

This report outlines federal programs that provide direct or indirect incentives for biofuels. For each program described, the report provides details including administering agency, authorizing statute(s), annual funding, and expiration date. The Appendix provides summary information in a table format.


Date of Report: July 1, 2011
Number of Pages: 18
Order Number: R40110
Price: $29.95

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