On August 20, Region 10 filed an administrative CAFO against Snake River Performance LLC (Snake
River) for violations of Title II of the Clean Air Act. Between January 2018 and December 4, 2019,
Deviant manufactured and sold 238 defeat devices for heavy duty diesel motor vehicles. This
settlement is part of EPAs National Compliance Initiative for Stopping Aftermarket Parts Defeat
Devices for Vehicles and Engines. Snake River will pay a civil penalty of $10,000. The penalty
amount was reduced based on the companys inability to pay a larger penalty.