Your next United flight could be powered by animal droppings by Ben Geier @FortuneMagazine June 30, 2015, 9:41 AM EDT E-mail Tweet Facebook Google Plus Linkedin Share icons Get ready for a slightly ripe scent on your next United flight — the airline is going to power a plane with animal waste, reports the New York Times. Ok, so you won’t actually be able to smell the fuel — for passengers, in fact, almost nothing will be different when a plane takes off from Los Angeles this summer fueled only by animal’s droppings and oils from animal fats. It will be a big step, though, for the biofuels industry. The Times notes that companies that make alternative fuels have long seen airlines as potential partners, and this United UAL flight could be a sign of things to come. For more on how the flight will work, and what it could mean for the industry, head to the Times.