Since its inception, air travel has been a huge boon for humanity. Unfortunately, it also creates a sizeable carbon footprint, as flying contributes  around 2 percent of all carbon emissions globally. Enter sustainable aviation fuels, an alternative to traditional jet fuel that field experts say is pivotal to helping to decarbonize the industry. How can we ensure it is adopted not just by some countries and governments but the wider world? After all, SAFs are expensive and not easily scalable. On this episode of Morning Shot, Dr. Bhupendra Khandelwal, Associate Professor in Fuels and Combustion, Mechanical Engineering Department, The University of Alabama, shares his insights.   Presented, Produced & Edited by: Emaad Akhtar  Photo credit: Straits Times See omnystudio.com/listener for privacy information.