The Milwaukee County Zoo welcomed a new diesel engine to its train fleet. An inaugural ride for Engine No. 2025 is open to the public on Saturday, Sept. 13. The long-running steam locomotives, a ...

‘All-electric’ Lumo forced to operate diesel trains on new service due to power shortage - Power supply constraints are ...

William Wolfgang, the T's director of vehicle engineering, says that new battery-powered engine technology isn't sufficiently developed to be able to replace the T's aging fleet of diesel locomotives.