Ballard Power Systems (NASDAQ: BLDP; TSX: BLDP) today announced that it has signed a Product Development Agreement with Hydrogene de France ("HDF Energy"; www.hdf-energy.com), an Independent Power Producer dedicated to renewable power generation, for the development and integration of a multi-megawatt (MW) scale fuel cell system into HDF Energy's Renewstable® power plant … [Read more...] about Ballard and HDF Energy Sign Development Agreement For Multi-Megawatt Fuel Cell Systems