Congress moves to strip away all car-emissions rules nationwide
H.R. 4117 — Fuel Emissions Freedom Act · Filed by Roger Williams (R-TX) · 4 cosponsors · Introduced Jun 24, 2025 · Referred to committee
Your members of Congress
Enter a ZIP to see where your representative and both senators stood on this bill.
Looked up on this device — your ZIP is never stored on our servers.
What it does
This bill repeals all federal fuel-emissions standards under the Clean Air Act and fuel-economy rules under federal transportation law, and strips states (including California) of their authority to set their own emissions standards. It also prohibits the federal government and states from ever establishing new emissions standards for motor vehicles going forward. The stated rationale is to reduce regulatory burden and lower consumer costs, but the practical effect is to eliminate all tailpipe-emissions and fuel-economy regulation in the United States.
Why we flagged it
The bill's core function is to eliminate all federal and state motor-vehicle emissions and fuel-economy standards. Despite the title's framing around 'freedom,' the mechanism is straightforward deregulation—repealing existing law and prohibiting future regulation. The title is somewhat misdirecting (framing deregulation as 'freedom' rather than 'emissions deregulation'), but the actual provisions are plainly stated.
What the text implies
- Eliminates fuel-economy standards, removing a major driver of consumer savings at the pump. The average vehicle sold under current CAFE standards saves owners ~$6,000–$8,000 in fuel costs over its lifetime; repeal shifts that cost burden entirely to consumers.
- Strips California and other states of Clean Air Act Section 209 waiver authority, centralizing deregulation and preventing state-level public-health responses to local air quality crises.
The full analysis lists 4 implications of this text.
Who stands to gain
automotive manufacturers (reduced compliance costs); oil and gas industry (reduced fuel-economy pressure); light-duty vehicle manufacturers (especially those with older, less efficient fleets)