Hopefully Union Pacific's testing of two different retrofit technologies for reducing emissions in older locomotives, an experimental "oxidation catalyst" filtering canister and a diesel ...

The N scale EMD SD40T-2 from ScaleTrains is an all-new six-axle road unit from the manufacturer’s Rivet Counter line.

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

Jim Vena, the chief executive of Union Pacific, which is investing in fuel-efficient diesel locomotives as well as those that ...