Vehicle Emissions as an Important Urban Ammonia Source in the United States and China

Sun, K., L. Tao, D. J. Miller, D. Pan, L. M. Golston, M. A. Zondlo, R. J. Griffin, H. W. Wallace, Y. J. Leong, M. M. Yang, Y. Zhang, D. L. Mauzerall, and T. Zhu, 2017: Vehicle Emissions as an Important Urban Ammonia Source in the United States and China. Environmental Science & Technology, 51 (4), 2472-2481, doi: 10.1021/acs.est.6b02805.