Sec. 2 Repeal of excise taxes on certain chemicals and substances (a) In general— Chapter 38 of the Internal Revenue Code of 1986 is amended by striking subchapters B and C (and by striking the items relating to such subchapters in the table of subchapters for such chapter). ⋯ (b) Effective date— The amendments made by this section shall take effect on January 1, 2025. ⋯