Biogas digesters have been around for a very long time. Early versions were merely a contained tumbler to allow the methane gas to be captured from composting foods etc.
Recently commercially made and used biogas digesters started to show up in restaurants and commercial food processing facilities, because it took all food waste (including meat and fats) and created usable gas and resulted produced a fertilizer by-product. The costs are in the $20,000 - $30,000+ price range.
I just found this information today and it is truly worth checking out.
A home biogas digester is listed for under $1,000, can process food, meat, oil and animal poo. Creates a couple of hours of cooking gas per day and produces a by-product of liquid fertilizer for the garden. And uses NO ELECTRICITY.
I am going to do more research, but this has too much potential to not share.
Thanks for the info this sounds great. YouTube has a DIY version.
Does anybody have one?
Geoff Lawton showed a type digester as part of a run-off area to a small livestock farm. The DIY versions are wonderful and have been around for a long time.