anyone made a bio gas extractor ? AKA fart machine

[Hunting the yellow]

just wondering thinking of making my own gas and no not the smelly stuff that comes from the rear end something like this

[video=480,360]https://www.youtube.com/watch?v=3AZv6MjZylo[/video]

be handy to have save a fortune on heating and can use it for cooking and a hot shower.

 

[7.62marksman]

Now that is a Good idea
but me and things that go bang are not a good mix ] ] ]