These alternatives include low carbon hydrogen, eFuels and sustainable aviation fuel.The work is due to conclude shortly and key outputs and recommendations will be made available via a public communication. As I set out in my reply to S6W-31864 on 10 December 2024, the Scottish Government will provide an update to Parliament on the findings of Project Willow in due course.All answers to written Parliamentary Questions are available on the Parliament’s website, the search facility for which can be found at https://www.parliament.scot/chamber-and-committees/written-questions-and-answers S6W-33817