Why pay attention to tampering of diesel emission reduction equipment?  Melissa Evanego, Bureau Chief for the Bureau of Mobile Sources for NJ DEP talked about the effects of equipment tampering as it relates air quality in New Jersey.  Evan Belser, Chief, Vehicle and Engine Enforcement Branch at US EPA discussed defeat devices in heavy duty vehicles and the repercussions that arise from disabling factory installed emissions equipment.

Evan Belser – Tampering and Aftermarket Defeat Devices
Melissa Evanego – NJ Tampering Initiative