In a move to make the railways environment-friendly, the Indian Railways are working on developing a locomotive prototype that can run on liquefied natural gas (LNG), Railway Minister Mallikarjun K
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/indian-railways-become-environment-friendly-developing-lng-powered-locomotives
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/india-today-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rail-transport
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/liquefied-natural-gas-lng
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel