According to some scientists, the biodiesel produced from crude coconut oil may not run through engines as easily as diesel, and fatty-acid deposits can damage engines in the long run.

根据一些科学家的观点，产自于天然椰油的生物柴油在发动机上不如普通柴油好用，并且脂肪酸沉积物最终会对发动机造成损害。

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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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Before the start of the conflict, Libya produced 1.6 million barrels a day of crude oil, or about 2% of the world's output.

在冲突开始前，利比亚每天生产160万桶原油，占世界产量的2%。

youdao

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

VOA: special.2011.07.08

According to Oil Market Intelligence, Iran produced 3.45mbd of crude oil during November, the lowest pace since September 2002.

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Still, recent price action in crude oil has produced serious near-term chart damage to suggest some more downside price potential for crude in the near term.

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Further the number of gallons of gasoline produced per barrel heavy crude oil is lower than for light crude oils.

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