A new study from Boeing has revealed that feedstock grown in Southeast Asia can fulfil around 12% of global sustainable aviation fuel (SAF) demand by 2050, but production is not the primary issue for SAF. Feedstock collection and transportation, product refining and distribution are other crucial parts of the supply chain that no one is really talking about. If companies collect feedstock for SAF, but do it in a way that actually emits more carbon than just an oil rig, what progress will the aviation sector actually have achieved? There have been other reports that looked into the global potential for such biofuels, identifying around 30 EJ (1 exajoule = 1 million terajoules) worth of annual feedstock need, of which…