Fortune 100 companies are continuing investment in the drone industry. In further evidence of their interest in urban air mobility (UAM) and other advanced applications, Honeywell (NYSE: HON) purchased Ballard Unmanned Systems assets last month. Ballard Unmanned Systems is "a wholly owned subsidiary of Southborough, Mass.-based Ballard Power Systems Inc. Ballard Unmanned … [Read more...] about Hydrogen Fuel Cells for Passenger Drones: Honeywell Purchases Ballard Unmanned Systems Assets