NASA and US Air Force introduce fuel-efficient X-66A experimental aircraft.
NASA and Boeing have unveiled the X-66A, the latest experimental X-plane designed to help the US achieve net-zero greenhouse gas emissions in aviation. The X-66A is the first X-plane designed specifically for this purpose and could inform a new generation of sustainable single-aisle aircraft. The X-plane status recognizes the design's Transonic Truss-Braced Wing configuration that, in combination with advancements in propulsion systems and materials, could lead to a reduction of 30% in fuel consumption and fewer emissions in comparison to current "best-in-class" aircraft. NASA has a Funded Space Act Agreement with Boeing for the Sustainable Flight Demonstrator, which will see the space agency make an investment of $425 million over seven years.
- NASA, US Air Force unveil new X-plane — the X-66A — to test wild wing design for fuel-efficient flight Space.com
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- NASA Designates New X-Plane AVweb
- USAF Designates NASA Demo X-Plane X-66A Aviation Week
- Boeing's Sustainable Flight Demonstrator with NASA is now the X-66A The Air Current
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