When United Airlines flew the world’s first-ever passenger flight using 100% sustainable aviation fuel (SAF) in December 2021, between Chicago O’Hare and Washington DC’s Reagan National Airport, it showed what a lower-emissions aviation future could look like.

Fast-forward to November 2023 and Virgin Atlantic went one better by flying the world's first transatlantic flight on 100% SAF from London Heathrow to New York JFK. The Boeing 787 flight marked a milestone in the industry – proving the sky really is the limit.

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