As an indication of the increased efficiency of motor vehicle's use of fuels, the number of motor vehicles in use increased by 95 percent.

机动车的使用数量已经增加了95%，可以看出机动车使用燃料的效率增长的情况。

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Article 33 no motor vehicles in use that do not meet the norms for pollutants discharge prescribed for motor vehicles in use at the time of their manufacture may be driven on the road.

第三十三条在用机动车不符合制造当时的在用机动车污染物排放标准的，不得上路行驶。

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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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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