... science and technology development, Ministry of agriculture Beijing, China, 2006 [4] Schwegler M Promoting investments for renewable technology and biogas through carbon financing in China, Biogas ... Tanzania, China, India, and Nepal, it is obvious that biogas promotion cannot be left in the hands of private companies alone The success story of the technology dissemination in China, India, and Nepal ... October 2007 [10] In Ghana, about 200 digesters have been disseminated [11] Biogas technology dissemination in Ghana 2.1 Before 1990 Interest in biogas technology in Ghana began in the late 1960s...