So, the emission control plan for in-use motor vehicles must be implemented as soon as possible in our country.

因此，我国必须尽早实施在用车排放控制的计划。

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The central competent authority in consultation with the relevant agencies shall determine regulations for the irregular air pollutant emissions testing of in-use motor vehicles.

使用中汽车排放空气污染物不定期检验办法，由中央主管机关会商有关机关定之。

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A recent study shows that meat consumption is one of the main ways that human can damage the environment, second only to the use of motor vehicles.

最近的一项研究表明，对肉类的消费是人类破坏环境的主要途径之一，仅次于机动车的使用。

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The President's Memorandum of May 24, 2011 (Federal Fleet Performance) directed agencies to improve the performance of the Federal fleet of motor vehicles by increasing the use of vehicle technologies, optimizing fleet size, and improving agency fleet management.

WHITEHOUSE: Executive Order 13589 -- Promoting Efficient Spending

Platinum also has some characteristics of a precious metal, but its primary use is industrial, specifically catalytic converters in motor vehicles.

FORBES: Gold Prices Poke Above Platinum On Global Macroeconomic Concerns

The main industrial use for the metals is catalytic-converter systems for motor vehicles.

FORBES: PGMs Continue Ascent On South African Labor Issues; Further Gains Seen In Months Ahead