On a green path, the Thiruvananthapuram railway division authorities are close to running its 384 level crossing gates on solar power.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/railway-gate-signals-run-solar-power
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-thiruvananthapuram
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/thiruvananthapuram-d
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/andhra-pradesh
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu