Application of McKinsey Curve in Building Emission Reduction Technology Yubo Fan, Yingying Zhao, Yue Tian, Zhaojie Liu, Wenrong Si, Xuemei Chen and Jingwu Jia E3S Web Conf., 441 (2023) 01001 Published online: 07 November 2023 DOI: 10.1051/e3sconf/202344101001