An Air France aircraft operated with sustainable aviation fuel (SAF) is refuelled before its first flight from Nice to Paris at Nice airport, France, October 1, 2021. | Photo Credit: REUTERS An Indian government notification on April 17 tapped ethanol to make Sustainable Aviation Fuel (SAF). Aviation has been hard to decarbonise because aircraft can’t use batteries or hydrogen at commercial scale yet, leaving SAF to be the primary way to comply with international emissions frameworks. To be usable in jet engines, however, ethanol is subject to a process called alcohol-to-jet (ATJ). It is dehydrated, has its hydrocarbon chains lengthened, and hydrogenated. Published – April 24, 2026 03:39 pm IST Share this: Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on Facebook (Opens in new window) Facebook Click to share on Threads (Opens in new window) Threads Click to share on X (Opens in new window) X Click to share on Telegram (Opens in new window) Telegram Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Click to email a link to a friend (Opens in new window) Email More Click to print (Opens in new window) Print Click to share on Reddit (Opens in new window) Reddit Click to share on Tumblr (Opens in new window) Tumblr Click to share on Pocket (Opens in new window) Pocket Click to share on Mastodon (Opens in new window) Mastodon Click to share on Nextdoor (Opens in new window) Nextdoor Click to share on Bluesky (Opens in new window) Bluesky Like this:Like Loading... Post navigation From the hills to the forests: Kerala’s summer escapes Where Ganga still flows: a writer, an actor, and the echoes of time