The potential for regional aircraft with lower operating costs, emissions and noise that can bring air transport closer to customers is the driving vision behind Airbus' plan to fly a hybrid-electric propulsion demonstrator in 2020. The European manufacturer has partnered with Rolls-Royce and Siemens to fly the E-Fan X, a BAe 146 regional airliner modified to flight-test a 2-megawatt serial-hybrid propulsion system-eight times more powerful than the highest-power electric aircraft now flying.
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