Hydrogen Fuel Cells: The Answer to Time-In-The-Air Restrictions?

A growing number of people these days are exploring ways to break current limitations on Time-in-the-air (TITA) for electric UAVs. There are now three alternatives to extend the amount of time that electric drones can remain in the air performing their mission: tethered devices, solar power and in-the-field rapid battery replacement. All three solutions present