Once the regulations are final, the industry would have three years to comply by taking steps such as installing pollution control devices or changing ingredients or fuels.
一旦此项法规最终定稿，水泥行业将有三年的时间，通过安装污染控制装置，或者更换原材料或燃料等措施逐步实现达标。
Platinum and palladium are used mostly to make pollution - control devices for cars and trucks.
铂和钯主要用于制造轿车和卡车上的污染控制设备。
East Kentucky Power also signed a settlement with environmental groups under which it will install additional pollution-control devices and further explore renewable energy options.
肯塔基东部电力合作社已同环保组织签署了一份环保方案，根据这个方案，它将新安装污染控制设备，并加强对可再生替代能源的探测。
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