cost-saving

Old-school aerodynamics technologies such as TruckWings can contribute to economic and environmental sustainability.

Delta Air Lines is bidding adieu to the 777. The airline will be smaller for the next few years, so it doesn’t need its big 777 jets anymore. (Photo: Delta)

Emirates, a dominant carrier in international long-distance travel, is grounding almost its entire fleet in a concession to the lack of business because of the coronavirus.