Supersonic planes will burn significantly more fuel than current aircraft, resulting in higher emissions of carbon dioxide, ...
Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier ...
New Concorde' attempts to break sound barrier on first supersonic flight - Boom’s inaugural XB-1 supersonic test flight takes ...
Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian ... a commercial supersonic aircraft designed to carry passengers at twice the speed of current subsonic airliners.
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