DLR: cleaner aircraft emissions reduce the climate impact of contrail cirrus
Green Car Congress
JANUARY 28, 2019
Fewer soot particles in the exhaust stream of aircraft reduces the formation of ice crystals and therefore the climate impact of the resulting contrail cirrus. Halving the ice particles that form in the contrail decreases the climate-warming effect of the contrail cirrus by 20%; the effect is halved if there are 80% fewer ice crystals, according to a study conducted by the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR).