| Posted by  on December 9, 2007  |  |   
Interesting catch.  Those "drone" cars are used to add remote control capabilities to any locomotive that connects to them.
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| Posted by Dwayne on December 9, 2007  |  |   
Thanks Nicholas it is something that I have never seen and I could not figure out what its role was. Great catch Steve, and thanks for keping our interest up. 
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