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Canada just solved two giant infrastructure problems at exactly the same time.
Skai hydrogen-powered eVTOL air taxi boasts enormous 400-mile range
But hydrogen offers up to 10 times the energy density, as well as gasoline-quick refueling, if you can deal with the inefficiencies of producing, transporting and storing it. And those difficulties can be better managed in a centralized aviation model that doesn't need to roll out across the entire road network.