https://www.flyer.co.uk/project-fresson-opts-for-hydrogen-for-islander-flights/
Pile à combustible: https://fr.wikipedia.org/wiki/Pile_%C3%A0_combustible
Voir aussi https://www.avweb.com/aviation-news/zeroavia-announces-large-hydrogen-engine-project-for-50-seat-airliner/
Source: Les Echos…
https://pivotal.aero/helix Classification…
