Once again, road transport is the main culprit since it alone accounts for 84% of the carbon dioxide emissions attributable to transport.

再次强调，公路运输是罪魁祸首，因为仅公路运输就占了运输产生的二氧化碳排放量的84%。

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The chemical steps in the capture consume energy, as do the compression and transport of the carbon dioxide.

碳捕获过程中的化学处理过程需要能量，压缩和运输二氧化碳同样需要能量。

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Once food has left the farm gate, then we are mainly dealing with carbon dioxide from transport and packaging.

一旦粮食已经离开了农场，那么，我们主要处理的二氧化碳运输和包装。

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This raises the cost of power and also requires considerably more coal to be burned because it takes energy to capture and transport carbon dioxide.

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Heavy goods vehicles make up less than 2% of all vehicles but they are responsible for a third of all nitrous-oxide emissions, nearly half of all particulates and a quarter of carbon dioxide generated by road transport.

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It studied carbon-dioxide flooding but figured that buying the CO2 and building a pipeline to transport it would eat up profits.

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