| 21. | This equation assumes that algal oil has roughly 80 % of the caloric energy value of crude petroleum.
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| 22. | That increase was due in part to the higher price of crude petroleum, which has since fallen back.
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| 23. | Exports of crude petroleum and petroleum products in 1996, in US $ millions, with percentage change over 1995.
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| 24. | Both sides are keen to expand cooperation in the petroleum sector beyond India's purchase of crude petroleum from Iran.
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| 25. | Crude petroleum shipments averaged 9.2 million barrels per day in June, down from 9.3 million barrels daily in May.
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| 26. | Imports fell marginally to $ 18 . 8 billion, led by a decline in crude petroleum and automotive products.
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| 27. | The fine settled charges that the company exported crude petroleum from the US to Canada without proper US government authorization.
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| 28. | Hydrogen sulfide ( H 2 S, also known as sour gas ), is found to varying degrees in crude petroleum.
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| 29. | This wildlife is under constant threat from oil spills as circulatory streams carry the crude petroleum from the major shipping lanes.
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| 30. | An 8.5 percent surge in crude petroleum was a chief contributor to a 1.6 percent overall rise at the raw materials stage.
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