Sec. 2 Repeal (a) In general— Section 304 of the Clean Air Act (42 U.S.C. 7604) is repealed. ⋯ (b) Conforming amendments— ⋯ (1) Section 112 of the Clean Air Act (42 U.S.C. 7412) is amended— ⋯ (A) in subsection (e)(3), in the second sentence, by striking “, except that” and all that follows through “of this Act”; and ⋯ (B) in subsection (r)— ⋯ (i) in paragraph (1), by striking the third sentence; ⋯ (ii) in paragraph (6)(O), in the third sentence, by striking “304”; and ⋯ (iii) in paragraph (7)(E), in the second sentence, by striking “304,”. ⋯ (2) Section 113(e) of the Clean Air Act (42 U.S.C. 7413(e)) is amended— ⋯ (A) in paragraph (1), in the first sentence, by striking “or section 304(a)”; and ⋯ (B) in paragraph (2), in the second sentence, by striking “or section 304(a),”. ⋯ (3) Section 119(a)(3) of the Clean Air Act (42 U.S.C. 7419(a)(3)) is amended by striking “section 110, 304,” and inserting “sections 110”. ⋯ (4) Section 129(f)(4) of the Clean Air Act (42 U.S.C. 7429(f)(4)) is amended by striking “304,”. ⋯ (5) Section 169A of the Clean Air Act (42 U.S.C. 7491) is amended— ⋯ (A) by striking subsection (f); and ⋯ (B) by redesignating subsection (g) as subsection (f). ⋯ (6) Section 176(c)(4) of the Clean Air Act (42 U.S.C. 7506(c)(4)) is amended— ⋯ (A) by striking subparagraph (C); ⋯ (B) by redesignating subparagraphs (D), (E), and (F) as subparagraphs (C), (D), and (E) respectively; and ⋯ (C) in subparagraph (D) (as so redesignated), by striking “subparagraph (D)(i)” and inserting “subparagraph (C)(i)”. ⋯ (7) Section 202(i)(3)(D) of the Clean Air Act (42 U.S.C. 7521(i)(3)(D)) is amended by striking the second sentence. ⋯ (8) The second section 317 of the Clean Air Act (42 U.S.C. 7617) (relating to economic impact assessments) is amended— ⋯ (A) by striking subsection (f); and ⋯ (B) by redesignating subsection (f) as subsection (g). ⋯ (9) Title III of the Clean Air Act is amended by redesignating the second section 317 (42 U.S.C. 7617) (relating to economic impact assessments) as section 318. ⋯ (10) Section 328(a)(1) of the Clean Air Act (42 U.S.C. 7627(a)(1)) is amended, in the sixth sentence, by striking “120, and 304” and inserting “and 120”. ⋯ (11) Section 411(e) of the Clean Air Act (42 U.S.C. 7651j(e)) is amended by striking “120, or 304” and inserting “or 120”. ⋯ (12) Subsection (k)(1)(C) of the American Innovation and Manufacturing Act of 2020 (42 U.S.C. 7675) is amended— ⋯ (A) by striking “304,”; and ⋯ (B) by striking “7604,”. ⋯