I 
119TH CONGRESS 
1ST SESSION H. R. 2218 
To amend the Clean Air Act to eliminate a waiver under that Act, to 
eliminate an authorization for States to use new motor vehicle emission 
and new motor vehicle engine emissions standards identical to standards 
adopted in California, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
MARCH 18, 2025 
Mr. NEHLS (for himself, Mr. DONALDS, Mr. SESSIONS, Mr. STAUBER, Mr. 
OGLES, and Mr. VAN ORDEN) introduced the following bill; which was 
referred to the Committee on Energy and Commerce 
A BILL 
To amend the Clean Air Act to eliminate a waiver under 
that Act, to eliminate an authorization for States to 
use new motor vehicle emission and new motor vehicle 
engine emissions standards identical to standards adopt-
ed in California, and for other purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Stop California from 
Advancing Regulatory Burden Act of 2025’’ or the ‘‘Stop 
CARB Act of 2025’’. 
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SEC. 2. REPEAL OF WAIVERS OF STATE STANDARDS. 
(a) IN GENERAL.—Section 209 of the Clean Air Act 
(42 U.S.C. 7543) is amended— 
(1) by striking subsection (b); 
(2) in subsection (c), by striking the last sen-
tence; 
(3) by redesignating subsections (c) and (d) as 
subsections (b) and (c), respectively; and 
(4) by striking subsection (e) and inserting the 
following: 
‘‘(d) PROHIBITION ON CERTAIN STATE STANDARDS 
FOR NONROAD ENGINES OR VEHICLES.—No State or any 
political subdivision thereof shall adopt or attempt to en-
force any standard or other requirement that directly or 
indirectly relates to the control of emissions from nonroad 
engines or nonroad vehicles, including the following new 
nonroad engines or nonroad vehicles subject to regulation 
under this Act: 
‘‘(1) New engines that are used in construction 
equipment, construction vehicles, farm equipment, or 
farm vehicles. 
‘‘(2) New locomotives or new engines used in lo-
comotives.’’. 
(b) EFFECT.—Notwithstanding any other provision 
of law, as of the date of enactment of this Act— 
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(1) no waiver issued under subsection (b) of 
section 209 of the Clean Air Act (42 U.S.C. 7543) 
(as in effect on the day before the date of enactment 
of this Act) before the date of enactment of this Act 
shall have any force or effect; and 
(2) any application for a waiver under that sub-
section (as in effect on the day before the date of 
enactment of this Act) pending before the Adminis-
trator of the Environmental Protection Agency on 
the date of enactment of this Act shall be considered 
denied. 
(c) CONFORMING AMENDMENTS.— 
(1) Section 202(i)(2)(A) of the Clean Air Act 
(42 U.S.C. 7521(i)(2)(A)) is amended, in the matter 
preceding clause (i), in the first sentence, by striking 
‘‘, taking into consideration the waiver provisions of 
section 209(b)’’. 
(2) Section 211 of the Clean Air Act (42 U.S.C. 
7545) is amended— 
(A) in subsection (c)(4)— 
(i) in subparagraph (A), in the matter 
preceding clause (i), by striking ‘‘or (C)’’; 
(ii) by striking subparagraph (B); and 
(iii) by redesignating subparagraph 
(C) as subparagraph (B); 
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(B) in subsection (k)(1)(B)(ii), by striking 
‘‘(other than a refiner or importer in a State 
that has received a waiver under section 209(b) 
with respect to gasoline produced for use in 
that State)’’; and 
(C) in subsection (o)(6)— 
(i) by striking subparagraph (E); 
(ii) in subparagraph (F), by striking 
‘‘any State that has received a waiver 
under section 209(b) or’’; and 
(iii) by redesignating subparagraph 
(F) as subparagraph (E). 
(3) Section 241(2) of the Clean Air Act (42 
U.S.C. 7581(2) is amended, in the second sentence, 
by striking ‘‘(or any CARB’’ and all that follows 
through ‘‘section 243(e))’’. 
(4) Section 242(b) of the Clean Air Act (42 
U.S.C. 7582(b)) is amended by striking ‘‘except as 
provided in section 244 with respect to administra-
tion and enforcement, and’’ each place it appears. 
(5) Section 243 of the Clean Air Act (42 U.S.C. 
7583) is amended by striking subsections (e), (f), 
and (g). 
(6) Section 244 of the Clean Air Act (42 U.S.C. 
7584) is repealed. 
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(7) Section 247(b) of the Clean Air Act (42 
U.S.C. 7587(b)) is amended, in the second sentence, 
by striking ‘‘section 242, 243, 244,’’ and inserting 
‘‘sections 242, 243,’’. 
SEC. 3. REPEAL OF AUTHORIZATION TO USE CALIFORNIA 
NEW MOTOR VEHICLE EMISSION STANDARDS. 
(a) IN GENERAL.—Section 177 of the Clean Air Act 
(42 U.S.C. 7507) is repealed. 
(b) CONFORMING AMENDMENT.—Section 249(e)(3) 
of the Clean Air Act (42 U.S.C. 7589(e)(3)) is amended 
by striking the second sentence. 
Æ 
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