Cold Weather Diesel Reliability Act of 2025
In committee: it can still change before the session ends.
- Stage
- In committee
- Started in
- House
- Sponsors
- 2
- Latest action
- Nov 21, 2025
What it does
The Cold Weather Diesel Reliability Act of 2025 would require the EPA Administrator to revise regulations to allow manufacturers of on-highway and nonroad diesel vehicles to temporarily suspend engine derate or shutdown functions triggered by emissions control faults when temperatures are at or below 0°C, provided normal emissions controls resume above that temperature. It would also grant year-round exemptions from diesel exhaust fluid system requirements for vehicles primarily operated north of 59°N latitude or in areas where such systems are impractical due to prolonged freezing conditions. The bill aims to prevent life-threatening risks and loss of essential transportation in remote,…
No official summary is available here. This one was written by AI from the bill’s text.
Where it stands
Introduced (Done)
Committee (Current step)
Floor (Not started)
Law (Not started)
What moved
Who is involved
Sponsors
The lawmakers who put their names on it, lead sponsors first.
In the news
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Where it goes next
While a bill can still move, the questions are about people and money.