As of early 2026, the deployment of hydrogen-powered drones like the Zepher Z1 has marked a revolutionary shift in aerial reconnaissance and stealth. These platforms replace traditional internal combustion engines with high-efficiency hydrogen fuel cells, allowing for near-silent operation at altitudes up to 12,000 feet. By converting hydrogen into electricity via a chemical reaction, these drones achieve long-range endurance that far exceeds traditional battery-powered systems. This propulsion

Hydrogen could be powering many commercial jets by the mid-2030s. Learn more about hydrogen aviation fuel: http://ow.ly/oFfH50MjaFY | World Economic Forum