Yingjie is a Ph.D. student in the Department of Transportation Engineering at Tongji University, Shanghai, China who joined the Civil Engineering and REACT Lab as an international visiting student for a year. His research mainly focuses on the carbon emission calculation of urban passenger transportation system and the following application at Shanghai and other regional area. He has also participated in some naturalistic bicycle riding tests focusing on cycling behavior when cooperating with NYU. Yingjie hopes to contribute meaningful insights to sustainable development of urban transportation and carbon neutral of transportation.