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 ...

With a new acquisition, a West Sacramento-based company can build hydrogen fuel-cell trains that could get fuel from local ...

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

There are steam locomotives, and then there’s “Big Boy.” At 604 tons and 132 feet long and with a 4-8-8-4-wheel arrangement, it is the largest, most powerful steam locomotive in the world.

The railroad’s fourth-quarter freight volumes were boosted by a surge in intermodal business.

On Dec. 18, 2024, about 5 p.m. local time, a westbound Union Pacific Railroad (UP) train ZAILA-18 derailed after colliding with a northbound highway vehicle that was traversing the Cedar Street (or U.