PES Refinery Fire and Closure WHYY-Radio (91-FM) July 2, 2019 Peter DeCarlo, PhD, an associate professor in the College of Engineering, was a guest on the July 2 episode of WHYY's "Radio Times," which focused on the air quality effects of the recent fire at the Philadelphia Energy Solutions refinery in South Philadelphia and its subsequent closing. View Story Topical Tags: College of Engineering Share Related