Optimized scheduling of virtual plants with bio gas and electrohydric alcohol based on stepped carbon transactionsXiaoyan Lu, Yujie Liu, Zhengwei Peng, Xinwen Zhang, Ruqiang Zheng and Feng GaoE3S Web Conf., 520 (2024) 03030DOI: https://doi.org/10.1051/e3sconf/202452003030