PITTSBURGH — U.S. Steel has begun using two battery-electric locomotives, converted from diesel-electric switchers, at its Mon Valley Works, the company has announced. The conversions were performed by Innovative Rail Technologies, a Washington, D.C.-based company that provides lithium-ion power systems for the locomotive market, and are working at two of the four facilities that make […]
U.S. Steel introduces battery locomotives at Pittsburgh-area plants
