Sec. 2 Repeal of certain taxes on heavy trucks and trailers sold at retail (a) In general— Section 4051(a)(1) of the Internal Revenue Code of 1986 is amended by striking subparagraphs (C), (D), and (E). ⋯ (b) Conforming amendments— Section 4051 of such Code is amended— ⋯ (1) by striking subsection (a)(5), ⋯ (2) by striking subsection (b), and ⋯ (3) by redesignating subsections (c) and (d) as subsections (b) and (c), respectively. ⋯ (c) Effective date— The amendments made by this section shall take effect on the date of the enactment of this Act. ⋯