提高能源经济标准，减少汽车尾气排放。
Raise fuel economy standards; require lower emissions from automobiles.
他们认为这能减轻交通负担，减少汽车尾气排放。
They argue that it can lessen traffic and reduce emissions from cars.
这样一来，减少汽车尾气排放的目标便得以实现。
The environmental objective of reducing auto emissions justifies the investment.
超凡的环保功能平均减少汽车尾气中有害气体排放25%以上；
The outstanding features of environmental protection, with an average reduction of harmful vehicle exhaust gas emissions more than 25%;
甲基叔丁基醚(MTBE)是一种新型的汽油添加剂，常用来提高汽油辛烷值和减少汽车尾气中有害物质的排放。
Methyl tertiary butyl ether (MTBE) is a new gasoline additive used to increase gasoline octane value and decrease the exhaust of some harmful pollutants, but there is still debate on its toxicology.
甲基叔丁基醚(MTBE)是一种新型的汽油添加剂，被用来提高汽油辛烷值和减少汽车尾气中有害物质的排放。
Methyl tertiary butyl ether (MTBE), a new gasoline additive, is added to gasoline as an octane enhancer and used to reduce automotive emissions.
如果更清洁的空气是结果，那么可能是因为在于从工厂烟囱排放了粉尘减少或者汽车尾气减少了。
If the end is for cleaner air, the problem might be that of reducing the dust discharge from power-plant stacks, or reducing the quantity of irritants from automotive exhausts.
如果说需求是更清新的空气，问题则会是减少发电厂的废气排放，或者减少汽车尾气污染。
If the need is for cleaner air, the problem might be that of reducing the dust discharge from power-plant attacks, or reducing the quantity of the irritants form automotive exhausts.
如果说需求是更清新的空气，问题则会是减少发电厂的废气排放，或者减少汽车尾气污染。
If the need is for cleaner air, the problem might be that of reducing the dust discharge from power-plant attacks, or reducing the quantity of the irritants form automotive exhausts.
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