Toxic air sickens crew and passengers across airlines as Delta upgrades engines on more than 300 planes

Delta Air Lines has been swapping out engines on 300-plus Airbus A320 jets since 2022 following reports of toxic air contamination affecting passengers and crew.
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Delta is replacing engines on Airbus aircraft to address toxic fume issue

Delta Air Lines said it is replacing auxiliary power units (APUs), a type of engine, on its Airbus aircraft to address toxic fume incidents that can harm airline crew and passengers. The airline ...