EPA v. Great White North Diesel (Sheldon Tymko)

Case summary

EPA has determined that the Subject Products are parts or components intended for use with, or as part of, a motor vehicle or motor vehicle engine, that have a principal effect of bypassing, defeating, or rendering inoperative a device or element of design installed in the motor vehicle or motor vehicle engine in compliance with regulations under the Act (?defeat devices?), and that the manufacturer or seller should know the part or component is being offered for sale or installed for such use or put to such use, and are therefore prohibited by Section 203(a)(3)(B) of the Act. Thus, the Subject Products were manufactured, sold, or offered for sale in violation of the Act?s statutory and regulatory provisions, including those cited above. The EPA recommends that CBP seize or destroy the Subject Products.

Defendants (1)

• Great White North Diesel (Sheldon Tymko)Named in complaintNamed in settlement

Facilities (1)

• PORT OF ENTRY: SIOUX FALLS

  2801 N. JAYCEE LANE, SIOUX FALLS, SD, 57104

  Registry ID: 110072197846

Statutes cited

• CAA 203 — Prohibited Acts - Motor Vehicle & Motor Vehicle Engines

Enforcement conclusions (1)

• Great White North Diesel (Sheldon Tymko)entered 2026-05-14

  Primary law: CAA

Timeline (2 milestones)

• 2026-05-14Final Order Issued
• 2026-05-29Enforcement Action Data Entered