https://www.flyer.co.uk/swiss-hybrid-wins-prize-as-visionary-idea/?
Airbus, Daher: EcoPulse
https://www.airbus.com/en/innovation/energy-transition/hybrid-and-electric-flight/ecopulse https://www.avweb.com/aviation-news/after-100-hours-ecopulse-has-tallied-significant-test-data…