EPA obtained evidence that Respondent tampered with 11 vehicles/engines. EPA obtained evidence that Respondent rendered inoperative emission control systems on EPA-certified motor vehicles. It is a violation of Section 203(a)(3)(A) of the CAA, 42 U.S.C. 7522(a)(3)(A) to tamper with EPA-certified vehicles and engines. EPA finds that Respondent has committed eleven (11) violations of Section 203(a)(3) of the CAA, 42 U.S.C. ? 7522(a)(3). In addition to paying the monetary penalty, Respondent must cease and refrain from selling, or installing any device that defeats, bypasses, or otherwise renders inoperative an emission component of any motor vehicle or engine regulated by the EPA. Respondent must also cease and refrain from tampering with emission control systems on EPA-certified motor vehicles and engines.