India’s toxic crop waste could fuel global airlines, study finds

Every year, farmers in India burn millions of tonnes of stalks, husks and other plant matter left after each harvest, a practice that has long contributed to South Asia’s toxic winter smog. But that agricultural waste – known as crop residue – could instead become a feedstock for sustainable aviation fuel (SAF) for airlines around the world, according to a new study. SAF is a low-carbon alternative to conventional jet fuel, blending aviation turbine fuel with sustainably sourced raw...