Proclamation — Adjusting Imports of Medium- and Heavy-Duty Vehicles, Parts, and Buses

Proclamation — Adjusting Imports of Medium- and Heavy-Duty Vehicles, Parts, and Buses Date: October 17, 2025 Action: Presidential Proclamation under Section 232 of the Trade Expansion Act to address national security risks from rising imports of medium- and heavy-duty vehicles (MHDVs), vehicle parts (MHDVPs), and buses. Tariffs USMCA treatment Import adjustment offsets (2025–2030) Harmonization with auto program Steel/aluminum adjustments Administration and scope Commerce found imports and foreign dependency threaten national security: Goal: Stabilize U.S.-produced market share and strengthen domestic capacity, supply chains, investment, and innovation. Key measuresRationale