On Tuesday, August 19, 2014 1:56:49 AM UTC-4, Glen Labah wrote:   
      
   > Tearing into an existing car that has been retired and using it as a   
   > demonstrator car to prove the system could result in a prototype car   
   > much faster than starting from scratch.   
      
   It would seem that way.  However, the PATCO rebuild program--where its 45 year   
   old Budd cars were sent out to be completely rebuilt--is a disaster, taking   
   far, far longer than anticipated.  (I don't know the reason, and apparently   
   they haven't given any.)   
      
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