Duke University analysis of U.S. rail manufacturing shows that Pennsylvania has 26 rail manufacturing facilities, from Pittsburgh to PhiladelphiaThe U.S. rail manufacturing industry stands to undergo considerable growth in the coming years, as Amtrak upgrades its railcars and adds high-speed trains, and as lawmakers consider a transportation bill that calls for significantly greater investments in public transit, including rail, according to a new study by Duke University prepared for the Apollo Alliance. Pennsylvania, which is home to 26 rail-manufacturing facilities and is planning its own high-speed rail network, would reap major benefits from such a bill. "Our research found that...