Elon Musk mentioned electric supersonic jet: http://www.wired.com/2013/11/elon-musk-pickup-plane/ http://www.wired.com/2013/11/elon-musk-pickup-plane/ The trul

Elon Musk mentioned electric supersonic jet: http://www.wired.com/2013/11/elon-musk-pickup-plane/ http://www.wired.com/2013/11/elon-musk-pickup-plane/ The truly disruptive if the hybrid means: - use petro to get to high altitude - use electric on super high altitude where oxygen is scare Though still not sure if it is feasible to build such thing, but this thing got huge potential.