After all, most of the United States replaced steam-powered locomotives in the late 1950s and early 1960s ... a locomotive delivered by Union Pacific Railroad in December of 1941, still holds ...

Instead, this is a steam turbine, nothing like the 1920s and 30s experiments with conventional locomotives, nor even the Union Pacific’s oil-fired condensing turbo-electrics. The new idea here ...

See Big Boy's Westward Bound Tour schedule here. Union Pacific announced on June 17 that its legendary steam locomotive will ...

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 ...