New Source Review Permitting Improvement Act

Introduced

In Committee

Floor

Crossed Over

Passed

Enacted

Overview Bill text 1 History 2 Sponsors

Introduced in Senate Aug 7, 2026 · 1.2K words Open full page ↗

119TH CONGRESS

2D SESSION

S. 5363

To amend sections 111, 169, and 171 of the Clean Air Act to clarify

when a physical change in, or change in the method of operation of,

a stationary source constitutes a modification or construction, and for

other purposes.

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PASSAGE PROBABILITY

1% Unlikely

Why this number

Stage base Introduced — base rate 2%, measured from US's completed sessions
Momentum -6 25/100 from the pace of recorded action
Time since last action -6 64 days quiet

A transparent scoring model over stage, momentum, recency, sponsorship and recorded votes — not a trained predictor. Treat it as a way to rank attention, not as a forecast.