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 a harvest that has long contributed to winter smog in South Asia. But the agricultural waste – also known as crop residue – could become a source to make sustainable aviation fuel (SAF) for airlines around the world, according to a new study. SAF is a green alternative to conventional jet fuel derived from a blend of aviation turbine fuel and raw materials for use in aircraft. By combining...