To enhance cooperation in low-carbon transportation and smart travel, promote the implementation of the Integration of research, university and industry, the Research Center for Energy and Environmental Policy of Beijing Institute of Technology and Didi ChuXing(Beijing Small Orange Science and Technology Co., Ltd.) have formed a strategic partnership and signed a cooperation agreement to carry out comprehensive cooperation in research on the issue of "big data + internet + travel + energy saving ", and build a low-carbon transportation and intelligent travel data platform and collaborative innovation Lab.