The Week In Technology, Nov. 9-14, 2021

operational aircraft trial
A European operational trial evaluated using weather forecasts and altitude changes to prevent contrail formation.
Credit: Alejandro Morello/DLR
Live Trial for Contrail Prevention The first live operational trial of contrail prevention via altitude changes has highlighted practical problems that will need to be resolved if air traffic management measures are to be implemented to reduce the climate impact of aircraft non-CO2 emissions. The 10...

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