China's first cross-ocean biofuel flight lands at Chicago airport

China's Hainan Airlines Flight 497 arrives at O'Hare International Airport in Chicago, the United States, on Nov. 21, 2017. After flying over 11,000 kilometers, Hainan Airlines Flight 497, which took off from China's capital Beijing, landed at O'Hare International Airport at 12:05 pm local time on Tuesday. The Boeing 787 Dreamliner of Hainan Airlines flew with biological aviation fuel that is produced from waste cooking oil, signaling the first Sino-U.S. green route demonstration to use aviation biofuel. (Xinhua/Wang Ping)