It's a system you fill with water in, dump food scraps into, and it makes cooking gas and liquid fertilizer. The ordering page ways animal manure as well. I'm curious about grass clippings.
First, I ran across the video. At the time it was made, it was still awaiting production.
https://www.youtube.com/watch?time_continue=24&v=xKOG7lb48bINow it's being produced, and is available for order at a discounted price of $650
https://homebiogas.com/shop/buy-the-homebiogas-systemI'm definitely intrigued - I'd love for other people to help research it. $650 is a fair chunk, but the results would be literally priceless if it delivers.
Apparently it works better in warmth. So it could possibly be a good complement to a wood stove for summer and winter cooking.
Everything I know is contained in the two sources linked. I have so many other questions. It says the gas is stored in the top compartment. So you have to run a tube into your house for cooking? I don't get that part. I'm also curious if it could run other things, like a generator.