Delta plans to test a new fuel-efficient flying technique that takes inspiration from the “V” shaped flight pattern of ...

Planes mimicking migrating geese to save energy. Aviation fuel made of cooking oil or downed timber waste. Aircraft wings that can change shape during flight to maximize efficiency. These are some of ...

LAS VEGAS — Planes mimicking migrating geese to save energy ... 2025 test of the aircraft manufacturer’s “fello’fly” technique in which two paired planes fly near each other at the ...