EPA v. NORTHWEST AUTOHAUS (ESA) (CAA MOBILE)

Case summary

On March 30, 2026, Region 10 filed an Expedited Settlement Agreement with Northwest Autohaus for violations of Title II of the Clean Air Act. Between January 1st, 2024, and October 15th, 2025, Northwest Autohaus removed or rendered inoperative emissions-related device or element of design installed on or in a motor vehicle or motor vehicle engine. Additionally, respondent installed aftermarket defeat devices that bypass or remove emissions-related controls in a motor vehicle. This is the first enforcement action EPA has taken against Northwest Autohaus for tampering with the emission control units and installing aftermarket defeat devices rendering those units inoperable. Northwest Autohaus will pay a civil penalty of $31,328.30.

Defendants (1)

• NORTHWEST AUTOHAUSENamed in complaintNamed in settlement

Facilities (1)

• NORTHWEST AUTOHAUS

  4007 CRATER LAKE HIGHWAY, MEDFORD, OR, 97504

  Registry ID: 110072101951

Statutes cited

• CAA 203 — Prohibited Acts - Motor Vehicle & Motor Vehicle Engines
• CAA 208 — Information Collection from Motor Vehicle Mfg.

Enforcement conclusions (1)

• NORTHWEST AUTOHAUS (ESA) (CAA MOBILE)entered 2026-03-30

  Primary law: CAA

  Federal penalty: $31,328

Timeline (4 milestones)

• 2025-12-22Enforcement Action Data Entered
• 2026-03-30Final Order Issued
• 2026-03-30Complaint Filed/Proposed Order
• 2026-04-08Enforcement Action Closed