截至今年9月，波音已交机737-800近5000架，是737系列中最受欢迎的机型。目前拥有波音737-800的航空公司上百家，包括美国航空、联合航空、西南航空、阿拉斯加航空、爱尔兰瑞安航空、中国国际航空等。

"Green is the defining feature of China's development in the new era and remarkable progress has been made in the country's green and low-carbon transformation," said Tian Chunxiu, deputy director of ...