Flying fuel cells
As unmanned aerial vehicles (UAVs) demand longer flight durations, they push the limits of batteries as a source of power. Fuel cells, instead, offer quiet and reliable power enabling longer flight times and greater payloads. Scott Pearson, CEO of Protonex, says, "The progress we have made to date on our UAV power platform already provides the opportunity to double or triple the flight durations of a typical small UAV."
I suppose it remains to be seen if/when/how this sort of technology would trickle down for consumer use.
[Source: Fuel Cell Markets]
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