1. established air pollution control standards and gave citizens' groups the right to sue alleged violators. Most notably, it set auto emission standards and required manufacturers to drastically reduce the amount of pollutants discharged from new cars. Enforcement authority was assigned to the Environmental Protection Agency (EPA). A 1977 amendment extended certain deadlines for reaching specified auto emission levels while applying tighter restrictions on coal burning and other pollution sources; and a 1990 amendment imposed more stringent requirements on urban areas and mandated the increased use of cleaner-burning fuels.
clean air 片语
片语
Clean compressed air pressure洁凈压缩空气压力
Clean- air Studio清新都市画廊
Clean Dry Air Pipe干燥压缩空气管
Clean Compressed Air凈化空气
Clean compressed air consumption洁凈压缩空气用量
clean dry air清洁干燥的空气
Clean n Air凈空气
Clean Indoor Air Act清洁室内空气法案
clean air 例句
英汉例句
he said the clean air is one of the things he loves about living in santa fe.
他说干凈清新的空气是他喜欢住在圣达菲的其中一点原因。
some people want to prevent certain species from becoming extinct, others to ensure the diversity of an ecosystem, to make use of clean air and water or to revel in the beauty of a landscape.
the attraction of clean air wears off, and the higher salary is largely offset by the high living standards in foreign countries.
洁凈空气的吸引力渐渐退去,高薪也大大地被国外的高生活标準抵消了。
but the efforts to enact clean air and water measures are still very much a faltering work in progress.
但是,实施清洁空气和水资源的措施在其进程中仍然举步维艰。
the clean air act requires major sources of air pollution to obtain such permits before making changes that would result in a significant emissions increase of any pollutant.
清洁空气法令要求主要空气污染源需获得这种许可证,以防止污染物排放量的严重增加。
environmentalists are arguing in circles about who or what is to blame: the total number of people; or the amount of water, food, mineral ores or clean air each demands.
and we’ve restored enforcement of common sense rules to protect clean air and clean water.
而且我们恢复实施了保护清洁空气和水的常规性规定。
the air sampled from the south pole「s clean air sector (a zone where air traffic, land vehicles, and even foot traffic is strictly limited) is touted as the cleanest air on earth.
in short, it is humans」 responsibility to resume clean air for earth.
简而言之,人类有责任来恢复地球的清洁空气。
then-president george h. w. bush signed the last significant american air quality legislation in 1990, an amendment to the clean air act.
那时的总统老布什1990年最后一次签署了美国空气质量法规,一个清洁空气法案的修正案。
thanks to the cold weather we have been experiencing over the last month the skies are at their clearest because of clean air pushed down from the arctic.