Just days after we wrote about the problem of trying to introduce cleaner locomotives into existing railway's fleets, Union Pacific Railroad has unveiled the first of 60 new environmentally ...

It’s interesting then to hear of a brand new steam locomotive prototype ... and 30s experiments with conventional locomotives, nor even the Union Pacific’s oil-fired condensing turbo-electrics.

Big Boy No. 4014 just may be chugging through a city near you, as Union Pacific announced the legendary locomotive's upcoming ...

It’s interesting then to hear of a brand new steam locomotive prototype ... and 30s experiments with conventional locomotives, nor even the Union Pacific’s oil-fired condensing turbo-electrics.