要求埃克·西尔能源公司关掉这个地区的四个燃煤发电机组,把另一个燃煤机组更换为燃气机组,并新建一个燃气发电厂,以符合联邦的清洁能源标准。
It calls for Xcel Energy to close four coal-fired units in the region, switch another to natural gas and build a gas-fired plant to help meet federal clean-air standards.
要求埃克·西尔能源公司关掉这个地区的四个燃煤发电机组,把另一个燃煤机组更换为燃气机组,并新建一个燃气发电厂,以符合联邦的清洁能源标准。
It calls for Xcel Energy to close four coal-fired units in the region, switch another to natural gas and build a gas-fired plant to help meet federal clean-air standards.
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