Biogas
Videos
Biogas is a renewable gaseous fuel generated from organic materials including agricultural residues, manure, municipal waste, plant matter, sewage, wastewater, green waste, and food waste. Biogas is p
An Indonesian community installs a cylindrical plastic biogas reactor in order to turn their organic waste into energy, 2007
"Biogaståget Amanda" ("Amanda the Biogas Train") train near Linköping station, Sweden
Biogas fueling station in Mikkeli, Finland
Inauguration of a Südzucker biogas plant in Drochia with interview of Octavian Armașu, 2012.
Methane
Videos
Methane is a chemical compound that has the chemical formula CH4. It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas. The abundance of methane on Earth makes it an
Methane bubbles can be burned on a wet hand without injury.
Global methane budget (2017). Shows natural sources and sinks (green), anthropogenic sources (orange), and mixed natural and anthropogenic sources (hatched orange-green for 'biomass and biofuel burning').
![Abiotic sources of methane[example needed] have been found in more than 20 countries and in several deep ocean regions so far.](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Origins_of_Biotic_and_Abiotic_Methane.jpg/500px-Origins_of_Biotic_and_Abiotic_Methane.jpg)
Abiotic sources of methane[example needed] have been found in more than 20 countries and in several deep ocean regions so far.
Testing Australian sheep for exhaled methane production (2001), CSIRO