DOT announces enforcement grace period for new emissions standards

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DOT Secretary Sean Duffy announced April 2, 2025, sweeping suspension of greenhouse gas emissions enforcement, rescinding Biden-era GHG measurement rule that required states to track/reduce highway emissions. Following Trump’s “Woke Rescission” memo, DOT eliminated climate change requirements for federal transportation funds. Two federal judges had already ruled DOT lacked authority for the emissions rule. Part of broader EPA/DOT rollbacks beginning Feb 18.

Sources & Citations

[1] Trump's Transportation Secretary Sean P. Duffy Slashes Biden-Era Greenhouse · Apr 2, 2025 Tier 1

[2] Department of Transportation Issues Sweeping Changes to Policies and Programs · Feb 1, 2025 Tier 2

[3] 'Breathtakingly Ignorant and Dangerous': Trump's DOT Orders Sweeping Purge of Climate Initiatives · Jan 31, 2025 Tier 1

[4] U.S. Transportation Secretary Sean Duffy Takes Action to Rescind 'Woke' DEI Policies · Jan 28, 2025 Tier 1

Tiers Tier 1 court records & gov docs · Tier 2 established outlets · Tier 3 regional & specialty press · Tier 4 opinion or single-source. Methodology →

Cite this entry

The Cascade Ledger. “DOT announces enforcement grace period for new emissions standards.” The Capture Cascade Timeline, April 2, 2025. https://capturecascade.org/event/2025-04-02--dot-enforcement-grace/