Sun, Kang, Lei Tao, David J. Miller, Da Pan, Levi M. Golston, Mark A. Zondlo, Robert J. Griffin, et al. (2026) 2017. “Vehicle Emissions As an Important Urban Ammonia Source in the United States and China”. Environmental Science & Technology 51: 2472–2481. doi:10.1021/acs.est.6b02805.

Pan, Da, Lei Tao, Kang Sun, Levi M. Golston, David J. Miller, Tong Zhu, Yue Qin, Yan Zhang, Denise L. Mauzerall, and Mark A. Zondlo. (2026) 2020. “Methane Emissions from Natural Gas Vehicles in China”. Nature Communications 11: 4588. doi:10.1038/s41467-020-18141-0.