“Airlines are testing all sorts of ways to make planes less of a drag on the environment. Virgin Atlantic recently used recycled wasteto power a commercial flight, while Boeing and JetBlue have backed an effort to create hybrid electric planes.
The Netherland’s KLM Royal Dutch Airlines is taking a different approach.
It just partnered with a university to develop the “Flying-V,” a radical new airplane design that puts passenger seats inside the plane’s wings — and it could decrease the amount of fuel needed for flights by a substantial 20 percent…”
For More: https://futurism.com/the-byte/flying-v-plane-passenger-seats-wings