Home Electric Aircraft Solar Impulse offshoot H55 zero-emissions plane takes flight Solar Impulse offshoot H55 zero-emissions plane takes flight 27 Jun 2019 | Electric AircraftHeadlineNewsSolar Solar Impulse offshoot H55 zero Swiss H55, offshoot of solar flight pioneer Solar Impulse, launches maiden flight of its 2-seater Bristell Energic electric plane.
