substitute coal for oil

基本解释

CWS(coal water slurry) is a new substitute for oil fuel which has been widely used.
作爲新型代油燃料，水煤漿有廣濶的應用前景。
The direct coal liquefaction technology, as one of the important routes to substitute oil, has attracted people's attention and concern for a long time.
煤直接液化技術作爲石油替代的重要途逕之一，長期以來一直受到人們的關注。
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Advocates like the former oil tycoon T. Boone Pickens have also long sought to promote it as a substitute for coal in electricity generation or gasoline in a new generation of natural gas cars.
前油業大亨皮肯斯這樣的支持者也一直以來試圖將其作爲電煤的替代者和在新型的天然氣車中作爲汽油的替代者。

It produces less carbon dioxide for a unit of energy than coal or oil, so the climate will benefit to the degree that gas replaces either of those: it will mostly substitute for coal, though some oil too, especially if gas-powered trucking becomes widespread.
ECONOMIST: Natural gas
But wind farms--which substitute for coal as a fuel for electricity--have little to do with oil prices.
FORBES: The Oilmen Cometh