The Week In Technology, Nov. 15-19, 2021

Airbus A350-1000 test aircraft
An Airbus A350-1000 test aircraft flew in formation 3 km behind an A350-900, recovering energy from the lead aircraft’s wake to reduce fuel burn.
Credit: Airbus
Transatlantic Formation Flight Shows Fuel Saving Two Airbus A350s arrived at Canada’s Montreal-Trudeau International Airport on Nov. 9 having avoided emitting more than 6 metric tons of CO 2 by flying in formation across the Atlantic from Toulouse. The flight confirmed the potential for more than 5%...

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