Methane digester
poo and cheese cow and camals :)
It depends on what is fermenting. Cow poo, produces methane. Fruits produce alcohol.
pig poo and cow poo and you
I'm not really sure, but I think it means poo. Cow poo Michael Chole
because he invented the world first car and it ran on cow poo but this was bad because of the methane let off so he made it water powered
No.
in cows poo volcanoes and underground where oil is
It is from a cow poo
Cow poo
cow poo
Both.
The smell, obviously.