 PERTH, Australia PITTSBURGH--BUSINESS WIRE--Roy Hill announced the purchase of Wabtecs NYSE: WAB FLXdrive battery-electric locomotive, the worlds first 100-percent battery, heavy-haul locomotive for the region and the mining industry. We are committed to transforming the next generation of transportation by adopting advanced technologies that improve energy efficiency, lower operating costs and improve our rail and mining network, said Gerhard Veldsman, CEO of Roy Hill. The FLXdrive 