While fossil fuels—coal, oil, gas—still generate roughly 85 percent of the world's energy supply, it's clearer than ever that future belongs to renewable sources such as wind and solar.

虽然化石燃料——煤炭、石油、天然气——仍占世界能源供应的大约85%，但比以往任何时候都更清楚的是，未来属于可再生能源，如风能和太阳能。

youdao

Indeed, many experts believe that the future of electricity generation will not come from further refinement of solar, wind, coal or nuclear energy, but from fuel cells.

很多专家认为未来的电能不会来自改良后的太阳能、风能、煤炭或核能，而将来自燃料电池。

youdao

What are the projections for the future use of coal?

未来对煤的使用有什么预测？

youdao

While Environmental Protection Agency clean air regulations such as the Mercury and Air Toxics Standard (MATS) can explain some of the future expected displacement of coal by natural gas, shale gas economics is a significant reason for the displacement.

FORBES: Surprise Side Effect Of Shale Gas Boom: A Plunge In U.S. Greenhouse Gas Emissions

In Michigan, meanwhile, the public service commission there says that the 10 percent target by 2015 is saving money for energy customers, largely because the price of future advanced coal generation is greater than the current subsidized price of green power.

FORBES: Lobbyists Try to Halt State Green Energy Standards

During his time at Unicom predecessor Commonwealth Edison, Rowe changed the course of the company's future to focus on nuclear power instead of dirtier coal and oil-fired plants. (See "Exelon's Carbon Advantage").

FORBES