Virgin Atlantic recently made history by being the first airline to operate a flight using 100% sustainable aviation fuel (SAF) from London Heathrow to New York JFK. This significant achievement underscores the increasing focus on sustainable biofuels in the aviation sector. IDTechEx's report delves into the production of SAF through various methods, key innovations in the industry, regulatory efforts promoting SAF adoption, and the active participation of airlines in this sector. SAF production, utilizing waste oil feedstocks and biomass sources, is gaining momentum due to its potential to significantly reduce global CO₂ emissions from aviation. Additionally, the development of e-fuels from green hydrogen and CO₂ is providing a sustainable alternative for jet fuel production. Although these environmentally friendly fuels come at a higher cost, they offer a more efficient and greener solution for the aviation industry. While electric and hydrogen-powered planes are on the horizon, SAF is expected to play a major role in emissions reduction in the near term. Regional targets set by various countries, such as the UK and EU, mandate increasing percentages of SAF use by airlines, driving the industry towards a more sustainable future. However, uncertainties arise from changing government regulations, such as the recent executive orders in the US affecting tax credits for SAF producers. Partnerships between major airlines and SAF producers, coupled with ongoing investments in production facilities, are crucial steps towards overcoming financial barriers and ensuring widespread adoption of SAF. Despite the current higher costs of bio-SAF and synthetic e-SAF, industry initiatives and collaborations are paving the way for a greener aviation sector. The future success of SAF depends on continued support from governments, strategic investments, and the collective efforts of airlines and producers in driving sustainability within the industry.