S. RAGHOTHAM
Shashikanth, Arnab and Ashim of IIT-Kharagpur have built an earthen pot-in-pot cold storage system -- a refrigerator that uses almost no electricity, except that consumed by a small fan.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ge-edison-spotting
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/asian-age-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientific-and-technical-development
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-institute-technology-iit