Airlines have a recipe to reach zero emissions by 2050: Cooking oil
United Airlines has found a way to meet its goal of eliminating greenhouse gas emissions by 2050 - using cooking oil and rendered waste fat from beef, pork and chicken.
Grounded Boeing 737 MAX aircraft are seen parked in an aerial photo at Boeing Field in Seattle, Washington, U.S. July 1, 2019.(photo credit: REUTERS/LINDSEY WASSON)ByHUGO MARTIN/LOS ANGELES TIMES/TNS
