Bacteria feed on this oil and release hydrogen sulfide gas.

细菌以这种油为食，并释放硫化氢气体。

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When you burn a hydrocarbon fuel such as oil, its hydrogen and carbon atoms combine with oxygen from the atmosphere to create water and carbon dioxide.

当你在烧氢类燃料(如石油)时，燃料中的氢原子和碳原子与空气中的氧结合反应，生成了二氧化碳和水。

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But in the short term, hydrogen vehicles in the UK are likely to be powered by fuel derived from oil.

但是短期内，英国的氢燃料汽车可能还是以石油衍生燃料为动力。

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The action of oil and natural gas created hydrogen sulfide in the limestone.

VOA: special.2009.12.07

Oil refineries use hydrogen to strip sulfur from sour crude supplies, especially those from Mexico and Venezuela, and to meet stringent clean-fuel regulations.

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Mr Bush is unlikely ever to be a born-again green or so we must hope but there is no reason to dismiss his ideas for a shift to clean hydrogen just because car and oil companies may benefit.

ECONOMIST: Energy and the environment

Natural gas is considered to be a bridge fuel between crude oil and the clean hydrogen-based energy sources of the future.

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