Diesel Truck Liberation Act of 2025

[Congressional Bills 119th Congress] [From the U.S. Government Publishing Office] [S. 3007 Introduced in Senate (IS)] <DOC> 119th CONGRESS 1st Session S. 3007 To prohibit the enforcement of laws relating to the installation, certification, and maintenance of emissions control devices under the Clean Air Act, and for other purposes. _______________________________________________________________________ IN THE SENATE OF THE UNITED STATES October 14, 2025 Ms. Lummis introduced the following bill; which was read twice and referred to the Committee on Environment and Public Works _______________________________________________________________________ A BILL To prohibit the enforcement of laws relating to the installation, certification, and maintenance of emissions control devices under the Clean Air Act, and for other purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, SECTION 1. SHORT TITLE. This Act may be cited as the ``Diesel Truck Liberation Act of 2025''. SEC. 2. PROHIBITION ON ENFORCEMENT OF EMISSIONS CONTROL DEVICE LAWS. (a) In General.--Notwithstanding any other provision of law, including title II of the Clean Air Act (42 U.S.C. 7521 et seq.), no Federal law (including regulations and Executive orders) may require a manufacturer, importer, or distributor of motor vehicles or motor vehicle engines to install, certify, or maintain any emissions control device or onboard diagnostic system on any motor vehicle or motor vehicle engine. (b) No Authority.--The Administrator of the Environmental Protection Agency may not promulgate or enforce any requirement under the Clean Air Act (42 U.S.C. 7401 et seq.) (including a regulation promulgated under that Act) or any other Federal law (including regulations) that requires the installation or maintenance of emissions control devices or onboard diagnostic systems on motor vehicles or motor vehicle engines. (c) No Liability.--Notwithstanding any other pr