April 1, 2000 brought panic in Delhi. About 1,800 buses, 17,000 autorickshaws and 1,200 taxis
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/cng-sabotage
[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/health-effects
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cancer
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/transport
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/three-wheelers
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/supreme-court
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/governance
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/political-parties
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/politics
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/corruption