On December 17, 2025, Region 10 filed an Expedited Settlement Agreement with Excavators R Us for violations of Title II of the Clean Air Act. Excavators R Us imported uncertified motor vehicles in April 2025. The violation was identified by U.S. Customs and Border Protection officers located in Tacoma, Washington and referred to EPA. This is the first enforcement action EPA has taken against Excavators R Us for importing non-conforming motor vehicles. Excavators R Us will pay a civil penalty of $23,280.