Senate GOP coy on strategy for undoing California waivers

By Timothy Cama | 05/21/2025 06:16 AM EDT

Democratic Leader Chuck Schumer of New York warned, “What goes around comes around.”

Senate Republican leaders at the Capitol.

Senate Majority Leader John Thune (R-S.D.) and Senate Environment and Public Works Chair Shelley Moore Capito (R-W.Va.) during a press conference at the Capitol on Tuesday. Julia Demaree Nikhinson/AP

The Senate may begin the process Wednesday of undoing Biden administration approval for strict California vehicle emissions rules.

Senate Majority Leader John Thune (R-S.D.) announced on Tuesday — after months of speculation — that Republicans would challenge Congress’ watchdog and the parliamentarian to scrap EPA Clean Air Act waivers.

Sen. Susan Collins (R-Maine), who had previously been skeptical of using the Congressional Review Act against the regulations, said she was on board.

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“I am going to vote for it,” Collins told reporters.

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