The energy technology company, announced today it has developed a prototype of a hydrogen fuel cell powered range extender for drones. The range extender offers longer flight time and fast re-fuel capabilities, addressing two of the biggest challenges for manufacturers of battery-powered drones. Intelligent Energy will unveil its prototype of the fuel cell range extender on a drone at CES 2016, January 6-9 in Las Vegas. The company has been really encouraged by the positive…