2007—Pub. L. 110–140, § 132, amended section generally. Prior to amendment, section related to program to encourage domestic production and sales of efficient hybrid and advanced diesel vehicles and authorization of appropriations.

Subsec. (a)(2). Pub. L. 110–140, § 134(a), inserted “and loan guarantees under section 16513 of this title” after “grants”.

Amendment by Pub. L. 110–140 effective on the date that is 1 day after Dec. 19, 2007, see section 1601 of Pub. L. 110–140, set out as an Effective Date note under section 1824 of Title 2, The Congress.