Boeing’s new sustainability report talks a lot about improved efficiency and the use of sustainable aviation fuels (SAF), but—while Airbus is aggressively researching hydrogen fuel technologies—the Boeing report doesn’t include many details about its vision for using hydrogen as an alternative fuel.
The report stands in stark contrast to Airbus’s announcement last February—in partnership with GE Aviation and CFM International—to “flight test a direct combustion engine fueled by hydrogen in preparation for entry into service of a zero-emission aircraft by 2035.”
Responding to pressure from airlines and government mandates, Boeing and other aircraft manufacturers have been devoting more attention to sustainability and alternative fuels.
In fact, the aviation industry generated 900 million tons of carbon emissions in 2019, Boeing…
