This is one drive that is definitely going to make the Capital's air cleaner and traffic flow smoother.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/road-ministry-scrap-trucks-and-buses-more-eight-years-old-combat-air-pollution
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-mail-united-kingdom
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/congestion
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/heavy-duty-vehicle
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/euro-v
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/euro-vi
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-standards
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/advanced-vehicle-technology
[16] http://admin.indiaenvironmentportal.org.in/category/thesaurus/europe