美国批准煤矿扩建, 但阻止新的增长. The U.S. approves coal mine expansions but blocks new ones, favoring gradual growth over new infrastructure.

联邦政府批准扩建现有煤矿, 但阻止任何新的煤矿开发. 这标志着能源政策的转变, The federal government has approved expansions of existing coal mines but has blocked the development of any new coal mines, marking a shift in energy policy that prioritizes incremental growth over new infrastructure. 决定反映了化石燃料利益与环境法规之间的持续紧张关系. The decision reflects ongoing tensions between fossil fuel interests and environmental regulations.