Heavy-Duty Diesel Trucks on Highways in Beijing-Tianjin-Hebei: Constant Challenge in Pollution Control - Yingying Han; Chang Wang; Yixue Zhu; Rui Wu; Yifeng Xue; Xiang Zhang; Weiwei Wang; Yangyang Cui; Jinxiu Han; Zongbo Shi; Xiuyan Wang; Taosheng Jin (Water, Air, & Soil Pollution, 2025)