The dual fuel engine, which uses natural gas as primary fuel and diesel oil as assistant fuel, will be used widely because of the low pollution of natural gas.

采用天然气作主要燃料柴油作辅助燃料的双燃料发动机，因天然气燃烧污染低将会得到广泛的应用。

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At the moment, diesel is in short supply and there is a glut of fuel oil.

目前，柴油供应张，而燃油却供应过多。

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An emerging surfeit of natural gas has chemists and engineers studying how to turn it into pricier commodities, like diesel fuel or other oil substitutes.

供应过剩的天然气使得化学家和工程师开始研究如何把它变成如柴油或其他石油替代品等高价商品。

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Quad bikes came second, followed by fuel such as diesel and heating oil.

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That means shipowners who wish to ply these waters will have to stop using bunker fuel (the cheap stuff left over once petrol, diesel and aviation fuel have been distilled from crude oil) to power their vessels because burning it produces too much sulphur dioxide, nitrogen oxides and soot.

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Neither of these products can be directly distilled into gasoline or fuel oil (kerosen, jet, and diesel) or indeed any other conventional petroleum product.

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