Reggie Zhan, Ph.D. in Chemical Engineering, is currently a Principal Engineer in Southwest Research Institute, San Antonio, Texas. Reggie's major technical areas cover emissions controls from automotive and stationary sources. In automotive emissions control, Reggie has been heavily involved in emissions control system development for heavy-duty diesels to meet the US2007 and US2010 on-road , as well as the Tier 4 off-road emissions regulations. In stationary emissions control, Reggie developed different systems including the selective catalytic reduction (SCR) , selevtive non-catalytic reduction (SNCR), and non-thermal plasma (NTP) systems.