Safran

For folks who like to listen to music during long-haul flights, capable noise-canceling headphones are an essential carry on. But that may change for passengers in first class thanks to Euphony in-seat audio from Safran Seats and Devialet.

Colorado-based electric aviation startup Bye Aerospace is currently best known for its two-seater eFlyer 2 aircraft. That may soon change, though, as the company has now unveiled a planned battery-powered eight-seater.

UK-based bargain airline easyJet has thrown its weight behind the development of an electric taxiing system in a bid to cut its fuel consumption and enhance its environmental credibility.