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Sponsored by Sen. Sheldon Whitehouse (D-RI) · 0 active
Latest action: Motion to proceed to consideration of measure rejected in Senate by Yea-Nay Vote. 43 - 50. Record Vote Number: 4.
This joint resolution nullifies the Environmental Protection Agency (EPA) final rule titled
Air Plan Approval; South Dakota; Regional Haze Plan for the Second Implementation Period
(90 Fed. Reg. 41893) and published on August 28, 2025. The final rule approved South Dakota’s revision to its state implementation plan to satisfy the requirements of the EPA’s regional haze rule. (The regional haze rule requires states to take actions to improve visibility in national parks and wilderness areas.)
Members fall into . All 100 senators have enough data to score.
Bars show each input from 0 to 100: ideology gap, scorecard gap, , and the . is the seat’s partisan lean, and shows how much of the input data a score has.
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This bill has no cosponsors.

Ideology is each member’s score. The cluster low on the chart includes the bill’s 1 sponsor and cosponsor in the Senate: they have already committed, so they score as entrenched.
Similar votes count toward swing-v3 in the Senate: total similarity weight 23.0 (needs 5.0).