Unfortunately, the current low prices for oil, gas, and coal may provide little incentive for research to find even cheaper substitutes for those fuels.

不幸的是，目前石油、天然气和煤炭的低价格可能无法激励研究人员去寻找更便宜的那些燃料的替代品。

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In recent years, we have all been exposed to dire media reports concerning the impending demise of global coal and oil reserves.

近年来，我们都接触到有关全球煤炭和石油储备即将枯竭的可怕媒体报道。

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Coal and natural gas are mainly used for electricity generation, whereas oil is used mostly to power transportation, yet the prices of all these energy sources are linked.

煤炭和天然气主要用于发电，而石油主要用于给运输提供能量，但所有这些能源的价格是相互关联的。

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Climatologists say that greenhouse gas emissions, such as carbon dioxide from burning oil and coal, contribute significantly to global warming.

VOA: standard.2009.11.09

"If coal and gas and oil had to pay the price for the damage that they did,we would use a whole lot less of them.

VOA: standard.2010.04.21

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 Navy has always led in energy transformations, moving from wind to coal, coal to oil, and then pioneering the use of nuclear power.

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Historically man has continuously reduced the cost of energy moving from wood, to coal, to oil, but now progressed has stalled.

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Venter says the goal is to discover the "thousands and thousands" of different organisms found in fossil fuel sites, from coal beds to oil wells.

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