AUTHOR=Li Jinqiu , Ding Youqiang , Zhang Meiling TITLE=The spatial impact mechanism and policy spillover of carbon emission trading pilot policy on regional industrial energy efficiency-a case study of China JOURNAL=Frontiers in Environmental Science VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1570622 DOI=10.3389/fenvs.2025.1570622 ISSN=2296-665X