CristalACTiV Better Air Quality 2012 Paper

Emission control at source has been implemented in developed regions such as Europe and North America for more than 30 years. The more and more stringent regulation demonstrated noticeable effects on air pollutant levels. However, recent data show that this process has yet to meet all the expectations required by authorities and the World Health Organization (WHO) in term of air pollutant levels in urban areas.

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