PPG activates solar system Pittsburgh Tribune-Review Friday, Oct. 7, 2011 12:00 a.m. | Friday, Oct. 7, 2011 12:00 a.m. PPG Industries Inc. activated a new 4,800-watt solar system at its PPG Glass Business and Discovery Center in Harmar. The system enables PPG to demonstrate for customers the value of its existing solar glass products, as well as prototypes. Email Newsletters TribLIVE's Daily and Weekly email newsletters deliver the news you want and information you need, right to your inbox.
