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 ...

Union Pacific (UP) on April 29 released its annual Building America Report, highlighting progress on key goals, including safety and sustainability, as well as the development and testing of a new ...

Argonne scientists will test bio- and renewable diesel fuel on a locomotive combustion test engine. In response to sustainability goals, the freight rail industry is working to boost the use of ...