1. Start with feed.
2. Add two hungry pigs
3. Let nature take its course
4. Trap the gas from all that nature before it gets away!
(You can see the huge balloon that traps the gas just behind the piggies in this picture.)
5. Cook.
We've just recently gotten the biogas system back running here at the farm, but I have to say its one of my favorite things I´ve learned about here. It is such a simple, simple system, but it does so much. What amounts to an enormous black trash bag and a few meters of piping transforms a waste product into renewable energy. Some people around here say that they would never eat food cooked with biogas, but Luz and I like to say it's the cleanest possible gas to use. The flame, by the way, looks just exactly the same, and it smells nearly the same as the odor they give to the gas you buy in tanks. With two small pigs, we are cooking well over half of the food for a family of six plus a hungry gringa. Why don't more people do this?
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