OFFICIAL LEGAL TITLE
Cold Weather Diesel Reliability Act of 2025
FREQUENTLY ASKED QUESTIONS
What is the official ID of this bill?
The official print number for this legislation is 119_HR_6250.
Which chamber initiated this legislation?
This legislation was initiated in the House of Representatives.
What are the main provisions?
Key points include:
- Safety in Freezing Conditions: Below 0°C (32°F), manufacturers can temporarily disable automatic engine shutdown or power reduction features linked to emissions faults to prevent life-threatening situations or loss of essential transportation.
- DEF Exemption: Vehicles operating in regions with prolonged freezing conditions (e.g., far north) can receive a year-round exemption from the requirement to use Diesel Exhaust Fluid (DEF), which often freezes and becomes impractical in extreme cold.
- Ensuring Critical Mobility: The changes aim to ensure continuous operation of emergency and transportation vehicles vital for remote areas where engine failure poses a serious safety risk.
What is the specific legal status?
The current status is Introduced.
Where can I read the full text of this legislation?
The full official text is available at:
View full text
Who is the primary sponsor?
The primary sponsor is Rep. Begich, Nicholas J. [R-AK-At Large].
What is the latest detailed status?
The latest detailed status is: Referred to the House Committee on Energy and Commerce.
Is this summary verified?
Yes. This content was analyzed by AI and verified by the Lustra Judge System on 2025-12-23.
What is the impact of this bill?
We don't know—that is up to you to decide. Summarizing raw data with AI is fundamentally different from predicting socio-economic outcomes. As of 2026, we believe impact assessment strictly requires a human in the loop to verify and judge.