2015年环境保护署颁布实施清洁能源计划的法令，但美国最高法院却坚称此项法令还有待裁定。
Thee Environmental Protection Agency issued a rule implementing the Clean Power Plan in 2015, but the U. S. Supreme Court stayed the enforcement of the rule pending legal challenges.
2015年环境保护署颁布实施清洁能源计划的法令，但美国最高法院却坚称此项法令还有待裁定。
Thee Environmental Protection Agency issued a rule implementing the Clean Power Plan in 2015, but the U. S. Supreme Court stayed the enforcement of the rule pending legal challenges.
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