美国汽车废气排放标准；
根据国内外经验，制订合适的汽车废气排放标准是控制大气污染措施之一。
To formulate an adaptable motor vehicle exhaust emission standard is one of the important events of air pollution control according to domestic and foreign experience.
另外10个州借鉴加里福利亚州汽车废气排放标准签署了共同文件，当中还包括加州有关温室气体的相关要求。
Ten states have signed up to follow California's standards on car exhaust, including its requirements on greenhouse gases.
新条例包括，为汽车燃油设定更高的标准，对工业和废气排放实行更严格的措施。
The new regulations include higher standards for vehicle fuel, and stricter restrictions on industrial and exhaust gas emissions.
提高汽车省油量标准，要求减低汽车废气排放量。
Raise fuel economy standards; Require lower emissions from automobiles.
提高汽车油耗标准，减少排放废气气量。
Raise fuel economy standards, require lower emissions from automobiles.
提高汽车油耗标准，减少排放废气气量。
Raise fuel economy standards, require lower emissions from automobiles.
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