Fueling Jets With Trash? Investment Flows Into Sustainable Aviation Fuel
Used cooking oils, animal byproducts—and soon your trash—are being used to cut a major source of global emissions: air travel. WSJ explores whether the recent surge in investment in sustainable aviation fuel will help the industry finally take off.

Air travel, a major cause of global emissions, is being cut by using used cooking oil, animal products and soon even your garbage. WSJ investigates if the recent investment surge in sustainable aviation fuel can help the industry take off.