concerned at the urban air quality due to emissions from diesel vehicles, the Clean Air Initiative for Asia (cai Asia) sponsored a study in three typical Asian cities
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/act-now
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/emissions-trading
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-science
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/research
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/asia