Boeing Chief Executive Dave Calhoun Tuesday said that planemakers were unlikely to introduce all-new jet designs before the mid-2030s, citing the pace of emerging propulsion and wing technology.
However, Qatar Airways Chief Executive Akbar Al Baker told a conference he would advise planemakers Boeing, Airbus and Embraer to "start looking now" at sustainable new platforms.
Both executives were speaking in a panel at the Qatar Economic Forum organized by Bloomberg.
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