New Light Extends Time to Work
发布时间 2010-05-19 02:22:43 来源
摘要
The solar-charged d.Light helped tailor Pradeep Bhola to work for an extra three to four hours every evening. His daily income has increased by $1 to $2, he says, in addition to the money he saves from not buying kerosene for lighting. Recorded in Bhojaka, India.
From Stanford Business magazine: http://www.gsb.stanford.edu/news/bmag/sbsm1005/feature-dlight.html
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