Probably most people know that when organic matter such as kitchen waste rots, it can produce flammable methane. As a source of free energy it’s attractive, but making a biogas plant sounds difficult, ...

A new study shows that adding fruit and microbes to alfalfa, a protein-rich feed for livestock, improves fermentation and biogas production. Alfalfa is more than a protein-rich feed for livestock; it ...

Researchers from the University of Jyväskylä and the Natural Resources Institute Finland have discovered that ash appears to be an excellent additive in the anaerobic digestion process in terms of ...