Add Yahoo as a preferred source to see more of our stories on Google. Union Pacific hybrid locomotive mother unit (left) and slug. (Photo: Union Pacific) One year after the rollout, Union Pacific is ...
The Union Pacific Railroad built a hybrid battery-electric prototype locomotive at its North Little Rock facility, and testing is set to begin this month, the company announced earlier this week.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results