Home Electric Aircraft Boeing, Safran Make Joint Investment in EPS to Develop Electric Aircraft Industrial... Electric AircraftNews Boeing, Safran Make Joint Investment in EPS to Develop Electric Aircraft Industrial Base SOURCEAVIATIONTODAY.COM 18 Sep 2019 407 Boeing, Safran Make Joint Investment in EPS to Develop Electric Aircraft Industrial Base – Avionics Boeing HorizonX Ventures and Safran jointly invested in Electric Power Systems (EPS), which supplies energy systems for Bell’s Nexus and NASA’s X-57.