dirty coal

Elderly nuclear power stations and dirty coal plants must be shut down over the next five years.

Despite high spending on solar power over the years, the only real alternatives are imported natural gas or dirty coal.

Billions of federal dollars would promote solar, wind and biomass energy, while dirty coal power could be priced out of business.

Dirty, coal-burning furnaces have been replaced, lowering the city's sulfur dioxide emissions.

The plan highlights the challenges facing this country as it strives to wean itself off dirty coal.

Hard choices loom in energy among dangerous nuclear power, dirty coal and expensive renewables.

Another high-risk group is poor peasants who slowly poison themselves by heating their homes with dirty coal.

And plants powered by gas emit far less carbon dioxide than those powered by dirty coal.

A carbon floor price, announced in late 2010, makes dirty coal-generation more expensive.

And there is even a chance that China may reduce the use of 'dirty' coal for energy.

Wind is inherently variable, so it can never compete with the cheap and dirty coal that generates half of America's electricity.

The government counters they provide much-needed clean energy and reduce reliance on dirty coal.

In fact, old-fashioned , dirty coal burning plants could still be built during this period, and that is wrong.