On March 20, 2025, House Republicans passed the “Big Beautiful Bill” (BBB) as part of H.R. 1, a sweeping legislative package that includes dramatic rollbacks of many of the clean energy tax credits established under the Inflation Reduction Act (IRA). While the bill has little chance of advancing in the Senate in its current form, its proposed cuts offer a window into shifting political priorities and could have significant implications for the U.S. clean energy manufacturing sector.

Subtitle C of the bill, titled “Make America Win Again,” proposes to sunset, repeal, or restrict nearly every major clean energy tax credit under the IRA. Among those affected are credits for clean vehicle purchases (Section 25E), commercial clean vehicles (Section 45W), alternative refueling infrastructure (S

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