Brief: Ballard Power Systems Q1 revenue USD 13.3 million
May 10 (Reuters) - Ballard Power Systems Q1 adjusted EBITDA USD -38.3 million. * Q1 operating expenses USD 37.5 million * Q1 net income USD -33.9 million * Q1 gross margin -42% * Q1 EPS USD -0.11 * Q1 revenue USD 13.3 million