PITTSBURGH--(BUSINESS WIRE)--Wabtec Corp. (NYSE: WAB) and CSX Corp. (NASDAQ: CSX) signed a deal for over 200 locomotive modernizations featuring a suite of digital solutions, innovations, and services. The agreement will transform the remaining AC4400 locomotives in CSX’s fleet providing improved fuel efficiency, reliability, utilization, and tractive effort. “This modernization order is part of our commitment to deliver excellence for our customers, shareholders, employees, and communities,” said Mike C ...