PITTSBURGH–(BUSINESS WIRE)–PPG (NYSE: PPG) announced today that the U.S. Department of Energy (DOE) is providing funding to support a $1.25 million collaborative project with Bridgestone Americas, Inc., (Bridgestone). This project focuses on improving the fuel efficiency of truck and bus radial tires using PPG’s AGILON® performance silica platform. The goal of the project is to deliver prototype tires to DOE that help trucks and buses achieve fuel-efficiency improvements of 4 to 6 percent whi