The downtrend in gasoline prices has also caused a decline in the compress natural gas (CNG) kit prices by around 28 percent.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cng-kit-prices-down-28-percent
[2] http://admin.indiaenvironmentportal.org.in/category/author/muhammad-ali
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-recorder-pakistan
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karachi