I don't really know anything about them. Many (some?) of our rubbish tips here have methane reclamation. I'm all for stuff that will make us more independent, I was going to beta test a grey water recycling system a few years ago, but they couldn't get it small enough.
As for Armageddon, I already have the Mad Max vehicle and 6 months supply of home brew ingredients, bring it on.
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Rob