It is hard to implement a policy which is good for both environment and economy. But Delhi has achieved just that.
In a review of the best environmental and economic policies in the world
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cng-delhi-balances-environment-economy
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fuel-efficiency
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/emission-targets
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy-efficiency
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/transport
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/high-capacity-bus
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi