<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><base href="data:"><div style="font-family: Helvetica; font-size: 12px; color: black; text-align: left; ">The idea that I like the most here is the production of biogas (mostly methane) from waste which village-Chinese use in cooking, In Canada we could use food waste and human feces in an anaerobic toilet/digester -- external maintenance for safety reasons -- to produce methane which could be burned in our furnaces &/or collected by the<span class="Apple-style-span" style="font-size: 12px; "> </span>gas company, etc. Eventually, a separate urine stream could produce hydrogen (patent on) as could the methane (new more efficient ways). These are a few small community steps towards <b>a hydrogen economy</b>. Further, as the house also produces geothermal heat and cooling, solar heat and electricity , roof micro-windmill electricity, ... -- with super-insulation to decrease energy demand -- a house could go <b>beyond self-energy-sufficiency to being a net energy produce</b>r.</div><a href="http://www.gizmag.com/chinese-rural-architecture-john-lin/23230/?utm_source=Gizmag+Subscribers&utm_campaign=9ff10b4d67-UA-2235360-4&utm_medium=email">http://www.gizmag.com/chinese-rural-architecture-john-lin/23230/?utm_source=Gizmag+Subscribers&utm_campaign=9ff10b4d67-UA-2235360-4&utm_medium=email</a><div style="font-family: Helvetica; font-size: 12px; color: black; text-align: left; "><br class="webkit-block-placeholder"></div></body></html>