@article{ref1,
title="Emerging technologies for sustainable transportation system",
journal="International journal of sustainable transportation",
year="2021",
author="Yeo, Hwasoo and Ge, Ying-en and Jang, Kitae and Xu, Meng and Sze, Tony",
volume="15",
number="5",
pages="323-324",
abstract="[The publisher has not provided an abstract for this article.]<p /> <p>Language: en</p>",
language="en",
issn="1556-8318",
doi="10.1080/15568318.2020.1833264",
url="http://dx.doi.org/10.1080/15568318.2020.1833264"
}