Well efficiency and gas can displace them all at just below their operating cost and, combined with renewables, can displace them more than 23 times at less than their replacement cost.
高效的发电方式和天然气可以完全取代燃煤 成本比燃煤的运作成本还低 如果和可再生能源结合起来，还可以取代燃煤方式23次 所耗费用还不及它们的重置成本