What it does
SourcedThis 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.)
Official summary by the Congressional Research Service (Introduced in Senate, Oct 1, 2025).
Our plain-language breakdown, with what it means for you and the case for and against, is written once a bill starts to move.
What has happened
Sourced- Jan 7, 2026Motion to proceed to consideration of measure rejected in Senate by Yea-Nay Vote. 43 - 50. Record Vote Number: 4. Roll call recordSenate
- Jan 7, 2026Motion to proceed to consideration of measure made in Senate. (CR S72)Senate
- Dec 9, 2025Placed on Senate Legislative Calendar under General Orders. Calendar No. 290.Senate
- Dec 9, 2025Senate Committee on Environment and Public Works discharged, by petition, pursuant to 5 U.S.C. 802(c).Senate
- Dec 9, 2025Senate Committee on Environment and Public Works discharged, by petition, pursuant to 5 U.S.C. 802(c).Library of Congress
- Oct 1, 2025Read twice and referred to the Committee on Environment and Public Works.Senate
- Oct 1, 2025Introduced in SenateLibrary of Congress
Recorded votes
Sourced- Jan 7, 2026 · SenateMotion to Proceed Rejected 43–50On the Motion to Proceed · needed a majority