Article Photos: Amtrak unveils locomotives to replace aging fleet 1/5

In this photo taken Saturday, May 11, 2013, Michael Cahill, president of Siemens Rail Systems, walks past one of  the new Amtrak Cities Sprinter Locomotive that was built by Siemens in Sacramento, Calif. The new electric locomotive, one of three of 70 to be built,  will run on the Northeast intercity rail lines and  replace Amtrak locomotives that have been in service for 20 to 30 years.(AP Photo/Rich Pedroncelli)