1992—Subsec. (a). Pub. L. 102–486, § 401(a), substituted “alternative fuels” for “alcohol and natural gas”.

Subsec. (b)(1). Pub. L. 102–486, § 401(b), amended par. (1) generally. Prior to amendment, par. (1) read as follows: “There are authorized to be appropriated for the period encompassing the fiscal years ending September 30, 1990, September 30, 1991, and September 30, 1992, a total of $2,000,000 for alcohol powered vehicles and dual energy vehicles, and a total of $2,000,000 for natural gas powered vehicles and natural gas dual energy vehicles, to carry out the purposes of this section.”