====Reference manuals, videos, and links====
* [http://www.nabard.org/modelbankprojects/biogas.asp National Bank for Agriculture and Rural Development, Bio-Gas.]
* Video: [http://www.youtube.com/watch?v=Ol3TlVBukpA Biogas Driven Irrigation Pump.] The diesel pump has been converted to a Biogas driven pump by the farmer, Purushottambhai Patel. Purushottambhai is from Shekhadi village in Petlad Taluka, Anand District (Gujarat).
* Video: [http://youtu.be/l5e_2W71jMM Anaerobic methane digester how to, including biogas scrubbing.]
* Video: [http://youtu.be/but5ntRMQQc Biogas: how it works.]
* Video: [http://youtu.be/s4EWOoPY5OY Biogas plant construction] in Kampala, Uganda.
* Video: [http://youtu.be/b8iDjuCsAAg Developing Biogas Plant.wmv] in Polasong and Belguri village Kamrup district, Assam, INDIA, geographical coordinates N26 06.441 E92 04.290. The soil type is sandy loam to clay.
* Video: [http://youtu.be/txT-1uTfZh8 KITCHEN WASTE TO BIOGAS - BENEFICIARY STATEMENT]. [http://www.biotech-india.org Biotech-India.org]
* Video: [http://youtu.be/tu9lDVQk0_4 Biogas project of Bangladesh.] The success & problems of Bio gas project in Bangladesh. Not in English.
* Video: [http://youtu.be/Hz0osxV8Pjg Bio Gas in Nepal.] The biogas initiative in Nepal. In English and with English subtitles in some sections.
* Video: [http://youtu.be/exjgpirsbZQ Efficient Biogas digesters built by Wasandi BioSolar Company.] Wasandi Biosolar (Pvt) Ltd makes Biogas digesters, and has worked for the last few years on making effiecient Biogas digesters. This type of digester is much cheaper to build, lasts longer, easier to repair, gives more gas, and can be built in 2 to 3 days at any place. We gaurantee our digesters for ten years, but our digesters will be good and working for more then 30 to 40 years. Biogas is the cleanest fuel available. If you are intrested in getting Biogas for your home or village, we can make a digester of any size. For details visit our web site: www.wasandi.com