2023 outlook for Sustainable Aviation

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By Bjorn Fehrm

Jan. 16, 2023, © Leeham News: In the years from 2015, Sustainable Aviation awareness has grown from “something interesting, but will it be needed?” to “how do we fix the environmental issues we have fast enough.” Scientists saw what happened 20 years ago, but the general public didn’t react until it affected everyday life.

The development of more Sustainable Aviation solutions has taken a similar route. Until 2015 the changes to morph aviation into a more sustainable path were a scientific discussion. At Le Bourget Air Show 2015, Airbus presented the E-Fan (Figure 1) that would cross the English Channel the following month. It started an intense debate about sustainable propulsion concepts for aircraft.

Eight years later, where are we today, and what will happen in 2023?

Figure 1. Airbus E-Fan at the 2015 Le Bourget Air Show. Source: Wikipedia.

  • The year will witness the "separation of the wheat from the chaff." Viable concepts will prove themselves, and thin concepts, technically or funding-wise, will fail.
  • We have a number of first flights from interesting projects. Several are in the "wheat" category.

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