Hydrogen helicopters

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Hydrogen helicopters


Drones powered by Doosan’s hydrogen fuel cells are displayed for the first time at the International Drone Conference and Exposition (InterDrone) held in Las Vegas between Sept. 5 and 7. According to the company, the drone power pack developed by Doosan Mobility Innovation, which was set up in 2016, can last up to two hours on a single charge. Current drones can typically remain airborne for only 20 to 30 minutes. [DOOSAN]
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