High-speed rail: Train cars, locomotives may be on track for rebound

"Smack among the vast green and gold farm fields of southern Illinois, a steel graveyard filled with unwanted, broken-down locomotives symbolizes the weak state of the train-manufacturing industry in the United States.

A fertile opportunity lies ahead, however, for entrepreneurs who figure out how to safely, comfortably and economically transport passengers at higher speeds than today's Amtrak service over most of the nation."

For more on the future of rail service, click here.