 VANCOUVER, BC, April 19, 2021 PRNewswire - Ballard Power Systems TSX: BLDP NASDAQ: BLDP today announced the Companys plans to provide fuel cell modules to Sierra Northern Railway Sierra; the freight division of privately-owned Sierra Energy Corporation, operating in Northern California to power a zero-emission switching locomotive. A purchase order for the fuel cell modules is expected to be issued by Sierra by mid-year 2021. 