What is biogas?

Biogas is the gas produced when bacteria break down organic matter in the absence of oxygen. It is made up of mainly methane (CH4) and carbon dioxide (CO2), with small amounts of water vapor, particulates, and other gasses, such as hydrogen sulfide (H2S). Biogas can be processed and used for a variety of energy needs, such as the generation of heat, power and fuel.

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1. What is anaerobic digestion?
2. What is an anaerobic digester?
3. What is co-digestion?
4. What is biogas?
5. How is biogas generated?
6. What is digested material and what is it used for?
7. What types of organic materials produce biogas?
8. Is biogas a renewable energy source?
9. Can biogas replace fossil fuels?
10. How does biogas help reduce effects of climate change?
11. What types of facilities have anaerobic digesters?
12. Is there a difference between landfill gas and biogas?
13. Is there a difference between natural gas and biogas?
14. If I build a biogas system will it stink?
15. Are anaerobic digesters safe?