Risk Vs. Reward: Electrifying Future Single-Aisle Airliner Propulsion
![NASA’s Subsonic Single Aft Engine concept](/sites/default/files/styles/crop_freeform/public/2023-02/arpa-e-nasa-promo.jpg?itok=lfyYWrvc)
Multimegawatt electric propulsion systems would be needed to power future single-aisle airlines such as NASA’s Subsonic Single Aft Engine concept.
Credit: NASA
With the rise of electric vehicles and emergence of electric aircraft, the pace of development for enabling technologies, from batteries to motors, is accelerating. But the vision of an electric-powered single-aisle airliner still lies far in the future. Or does it? The U.S. Energy Department’s...
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