The project takes pyrogenic dry distillation gas of soft coal in continuous retort as the fuel gas and produces ferroalloy coke and crude tar oil.

本项目是以烟煤在连续炭化炉中热解的干馏煤气作为城市燃气，同时付产铁合金焦和粗焦油。

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Transforming tar sands into crude is costly as well as dirty: the process only becomes profitable with oil prices in the $60-85 range or higher.

把焦油沙转换成原油不仅费用昂贵而且对环境造成污染。 当油价在60-85美元范围波动或允许再高一点,这种提炼过程才有利可图。

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The proposed Keystone XL pipeline would carry heavier crude oil produced from tar sands in Canada.

计划中的大号拱心石石油管道将用于运输产自加拿大油沙的重原油。

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The proposed Keystone XL pipeline would carry heavier crude oil produced from tar sands in Canada.

VOA: special.2011.07.08

Light sweet crude is depleting quickly, and now the industry is going after heavy crude and tar sands and thermally enhanced oil.

CNN: Ethanol: Is it friend or foe?

Crude from the tar sands and other unconventional sources could keep oil flowing well into the middle of the century, and perhaps beyond.

NEWYORKER: Unconventional Crude

All the applications opposed by Fort McMurray officials were ultimately approved, and just a few months ago an American company, Hyperion Resources, announced plans to build the first new oil refinery in this country in thirty years, to handle increasing volumes of tar-sands crude.

NEWYORKER: Unconventional Crude