Fenton says within three years the cost of large solar plants should be the same as for coal or oil power plants.

VOA: standard.2009.10.27

and ideally at some point coal, coal-fire power plants.

理想情况下，在某个时间点可能还会关闭煤炭以及燃煤电厂。

全球变暖与国力 - SpeakingMax英语口语达人

He says his party also wants to explore and develop America's oil and gas resources, and promote nuclear power and so-called "clean coal."

VOA: standard.2009.05.23

The Algenol bioreactors also produce oxygen as a byproduct and that can be fed into a power plant to burn coal more cleanly.

VOA: standard.2009.09.02

He also led a study that showed that airborne particles produced by automobile exhaust, industry and coal or oil fired power plants can cause blood pressure to rise to dangerous levels.

VOA: standard.2010.08.04

The bioreactors will grow algae that can produce ethanol fuel through a special process that involves using carbon dioxide from nearby coal-burning power plants to promote faster growth of the algae.

VOA: standard.2009.09.02