据美国拜登政府周五晚些时候发布的两年一度的监管议程显示，该政府计划在年底前发布备受期待的现有天然气发电厂排放标准草案，该议程还提供了其他一系列计划中的环境监管措施的预期时间表。
英文原文如下：
Biden administration targetting December for draft US EPA rules on existing natural gas facilities
US President Joe Biden's administration is targeting the end of the year for the issuance of highly anticipated draft emissions standards for existing natural gas-fired power plants, according to a biannual regulatory agenda published late Friday that also provided expected timelines on a litany of other planned environmental regulations.
