Key Takeaways PLUG is seeing electrolyzer-driven revenue growth, but negative margins and cash outflows remain headwinds.Ballard Power posted 120% Q3 revenue growth, supported by strong PEM fuel cell orders and a solid backlog.BLDP's cost cuts, new FCMove-SC engine and strong cash position support its near-term growth outlook.Plug Power Inc. (PLUG) and Ballard Power Systems Inc. (BLDP) are both prominent names operating in the clean energy market. As rivals, these companies are engaged in providing hydrogen ...