from Reuters: U.S. https://reut.rs/2K9BET4
Hydrogen-powered flying vehicle touted as Southern California traffic tonic
Developers of a multi-rotor hover craft billed as the first flying vehicle to be powered by hydrogen fuel cells unveiled a full-scale model on Wednesday in Southern California, in a show-and-tell that raised some eyebrows but never left the ground.
from Reuters: U.S. https://reut.rs/2K9BET4
from Reuters: U.S. https://reut.rs/2K9BET4
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