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Allows Diesel Engines to Operate in Extreme Cold
Recent Bills/Allows Diesel Engines to Operate in Extreme Cold

Allows Diesel Engines to Operate in Extreme Cold

IntroducedNovember 6, 2025
In Senate4 days ago
Intro
Senate
House
Pres
Waiting for a House floor vote.
It has cleared committee and can be brought up at any time, though no date is set.
Environmental ProtectionAdministrative law and regulatory proceduresAtmospheric science and weatherEnvironmental Protection Agency (EPA)ManufacturingMotor vehicles
More:Bills in the SenateTransportation and InfrastructureSenate Bills
Why This Matters

This bill allows manufacturers of certain diesel vehicles to keep engines running in extreme cold by suspending automatic shutdowns and also exempts some vehicles from using diesel exhaust fluid year-round.

If you operate a diesel vehicle in freezing temperatures, this bill helps prevent engine shutdowns and offers relief from fluid requirements.
Who this affects
Diesel vehicle operators · Transportation services · Emergency services
What changes is this bill making?
  1. 1This bill allows manufacturers to disable engine shutdowns in diesel vehicles when temperatures are at or below freezing.
  2. 2It grants a year-round exemption from diesel exhaust fluid requirements for vehicles operating in extremely cold areas.
Read full document
Bill Progress3 of 4
Bills must pass the House, Senate, and be signed by the President to become law.
Intro
Senate
House
Pres
IntroducedNov 6, 2025
Sponsors
See all 4 sponsors
Senate
HouseCurrent

Waiting for a House floor vote.

It has cleared committee and can be brought up at any time, though no date is set.

President

The President

Donald Trump
President
Awaiting Vote
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