Sometimes the simplest "technology" can make the biggest difference in the lives of millions. Another link about it that has a few more details, including that

Sometimes the simplest "technology" can make the biggest difference in the lives of millions. Another link about it that has a few more details, including that it generates 55-60W of light, 10 months out of the year. http://english.ntdtv.com/ntdtv_en/news_asia/2011-07-12/light-to-the-poor-one-liter-at-a-time.html http://english.ntdtv.com/ntdtv_en/news_asia/2011-07-12/light...