Boeing has begun several months of flights with its ecoDemonstrator 757 to evaluate new technologies to improve commercial aviation's efficiency, reduce noise and carbon emissions. Boeing is collaborating with UK-based leisure carrier TUI Group and NASA on ecoDemonstrator 757 tests. On the left wing, Boeing said it will evaluate technologies to reduce environmental effects on natural laminar flow as a way to improve aerodynamic efficiency. As an example, the ecoDemonstrator 757 will ...

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