Biogas, a Low-Tech Fuel With a Big Payoff
From www.nytimes.com - October 29, 2014 Whether at household operations or at industrial facilities, a centuries-old technology is increasingly being used to extract energy from crop waste, kitchen scraps and sewage. 
From open defecation to toilets that produce biogas and fertiliser
From www.theguardian.com - May 17, 2014 New innnovations in compost toilets aim to make a dent in sanitation and energy problems in the developing worldThe Hindu temples of Pashupatinath and Guheshwori in Kathmandu attract hundreds of thousands of visitors every year. |
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