Formaldehyde emissions from light-duty gasoline vehicles: Emission characteristics and future trends - Junchao Zhao; Xinping Yang; Zhining Zhang; Mingliang Fu; Yunjing Wang; Songdi Liao; Zhipeng Tu; Lijuan Qi; Xiaotong Wang; Zhenyu Luo; Hang Yin; Yan Ding (Journal of Hazardous Materials, 2025)