ALTO, WagonR and SX4 will be some of the top-selling Maruti Suzuki models to sport a CNG engine this year as India
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/maruti-joins-green-drive-roll-out-cng-variants-soon
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/economic-times-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/automobiles
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cars
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/auto-industry
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maruti-udyog
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india