Highly efficient with current ICE engine, being fitted for electric propulsion system (hydrogen fuel cell) – appropriate for business travel and commuter flights.
Highly efficient with current ICE engine, being fitted for electric propulsion system (hydrogen fuel cell) – appropriate for business travel and commuter flights.
Not a chicken egg, though.
https://photos.demandstudios.com/getty/article/153/229/dv031127_XS.jpg