Section, Pub. L. 107–171, title IX, § 9004, as added Pub. L. 110–234, title IX, § 9001(a), May 22, 2008, 122 Stat. 1313, and Pub. L. 110–246, § 4(a), title IX, § 9001(a), June 18, 2008, 122 Stat. 1664, 2075; amended Pub. L. 112–240, title VII, § 701(f)(3), Jan. 2, 2013, 126 Stat. 2365; Pub. L. 113–79, title IX, § 9004, Feb. 7, 2014, 128 Stat. 930, related to repowering assistance program.

A prior section 8104, Pub. L. 107–171, title IX, § 9004, May 13, 2002, 116 Stat. 480, related to a biodiesel fuel education program, prior to the general amendment of this chapter by Pub. L. 110–246. See section 8106 of this title.