Home Electric Aircraft Rolls-Royce & Tecnam Electrifying Air Transport with Hybrid Powertrain Rolls-Royce & Tecnam Electrifying Air Transport with Hybrid Powertrain 12 Aug 2020 | Electric AircraftHybrid Aircraft Rolls-Royce & Tecnam Electrifying Air Transport: High Power, High Scalability, Hybrid Powertrain — H3PS Tecnam has revealed a new hybrid-electric technology aircraft demonstrator with a Rolls-Royce and Rotax propulsion system