Airlines are betting big on Sustainable Aviation Fuel (SAF) to meet net-zero goals. Made from plant waste, algae, or synthetic processes, SAF cuts carbon emissions by up to 80% compared to traditional jet fuel. Major carriers like Delta and United have pledged to use 10% SAF by 2030. However, challenges remain. SAF accounts for less than 1% of global jet fuel due to high costs and limited production. Governments are stepping in with subsidies, but scaling up will take years. For now, SAF offe...