# Airbus Tests Full-Scale Foldable Wing Extensions

Airbus has developed and tested full-scale foldable wing extensions designed to improve fuel efficiency. The technology allows for longer wingspans that can fold to fit standard airport gates. This advancement could significantly reduce emissions in commercial aviation.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://www.airbus.com/en/newsroom/press-releases/2026-07-airbus-launches-new-flight-test-programme-for-wing-of-tomorrow) — Wed, 22 Jul 2026 14:57:24 +0000