Biogas is put up as a significant part of a future, more sustainable energy and waste system - in many places and particularly in Skåne, Southern Sweden. This is a blogg capturing the essence of a three-day exercise with 43 master students at the
IIIEE, Lund University, partly on campus in Lund and partly on the road visiting various actors in the biogas system.
Here are some helpful links on the topic. These highlight the opportunities as well as the limitations (which may be social, economic and technical)of installing biogas plants in developing countries:
SvaraRaderahttp://www.gtz.de/de/dokumente/en-biogas-volume1.pdf
http://www.economywatch.com/renewable-energy/advantages-of-biogas.html
http://www.ganesha.co.uk/Articles/Biogas%20Technology%20in%20India.htm