Boost Commercial UAV Flight Times With Hydrogen Fuel Cell Technologymartes, 30 abril 2019 Drones (or UAVs) are transforming operations in a number of industries, including infrastructure inspection, agriculture, search and rescue, mining, and more.Commercial drone operators have three distinct power solutions to choose from: lithium batteries, internal combustion engines, or hydrogen fuel cells. But which technology can truly deliver the most cost-efficient (hence profitable) performance?