Scientists at the Indian Institute of Petroleum(IIP), Dehra Dun, have developed new fuel-efficient burners for domestic and industrial use. The burners have better thermal efficiency than those
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/fuel-efficient-burners
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy