A city-based entrepreneur has developed a gas stove which he says is several times more fuel efficient than conventional gas stoves.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/fuel-efficient-gas-stove-developed
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-kochi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chulhas-cookstoves
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fuel-efficiency
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/thiruvananathapuram-t