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Biplane to break the sound barrier: Cheaper, quieter and fuel-efficient biplanes could put supersonic travel on the horizon
Biplane to Break the Sound Barrier: Cheaper, Quieter and Fuel-Efficient Biplanes Could Put Supersonic Travel On the Horizon
Over the years, expensive tickets, high fuel costs, limited seating and noise disruption from the jet's sonic boom slowed interest and ticket sales. On Nov. 26, 2003, the Concorde -- and commercial supersonic travel -- retired from service.