Point four: I’m asking Congress to mandate, to require as a matter of law, that our nation’s utility companies cut their massive use of oil by fifty percent within the next decade and switch to other fuels, especially coal, our most abundant energy source.
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It thought that unconventional gas resources especially coal gas in China has a vast development prospects.
认为非常规天然气资源尤其是煤层气在中国有广阔的发展前景。
The adding in of coal, especially coal with a high sulfur content, can markedly reduce the generation of dioxin.
煤的加入(特别是高硫煤的加入)可以明显降低二恶英生成。
CO2 does not last as long in the air as was once thought, so the big problem is slowing human use of fossil energy, especially coal.
二氧化碳不过去，只要在空中曾经以为，这样的大问题是人类使用化石放缓能源，特别是煤。
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