An ultra-fuel-efficient transport with strut-braced, high aspect-ratio, wing airframe and integrated distributed multi-engine propulsion is among configurations being studied by Aurora Flight Sciences as it develops technology demonstration plans for the U.S. Air Force Research Laboratory (AFRL) with the target of reducing air mobility fleet fuel usage 90% by 2030-35. The study is being conducted under the Revolutionary Configurations for Energy Efficiency (RCEE) program. In June, Boeing ...


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