Record heat reaffirms urgency to decarbonise, but technical challenge is far greater for aviation than for most other parts of economy
he temperature of the runway hit 50C at the Farnborough airshow this week. Officials checked for melting asphalt between the aerospace industry showing off its wares, with flights by passenger jets including the Boeing 777X and Airbus A350, assorted military aircraft and flypasts by the Red Arrows display team.
Asked about the change in policy that could accompany a change in prime minister, Warren East, the Rolls-Royce chief executive, said he hoped the UK government remained committed to reducing aviation emissions. For net zero flight, however, the message from Farnborough was that the industry is pinning its hopes firstly on SAF and then on unproven hydrogen technologies.. Yet many analysts doubt it will be able to live up to its name without using vast quantities of arable land for the feedstock or vast amounts of energy in chemical reactions.Photograph: Peter Cziborra/ReutersThe second big hope of the industry is hydrogen.
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