NextGen is a system the FAA claims would allow aircraft to fly shorter routes and save millions of gallons of fuel each year and cut carbon emissions. Here is the same text in Chinese (Simplified):
美国联邦航空局 (FAA) 称，新一代航空运输系统 (NextGen) 可以使飞机缩短飞行航线，每年节省数百万加仑的燃料，并减少碳排放。