Engineering Notebook

The bridge to net-zero

By Cat Hofacker

March 2023

What’s the solution for achieving net-zero air travel by 2050? Hydrogen? Electrification? Rushing sustainable aviation fuel into today’s jets? At least part of the answer could take flight in 2028. Cat Hofacker looks at the history and promise of Boeing’s Transonic Truss-Braced Wing demonstrator.
City of Fort Worth


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