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| * '''SANITATION FIRST!!''' 2.6 billion people in the world don't have access to a toilet. The reality of what this means may be hard for us lucky toilet-owners to imagine, so here's an [http://youtu.be/P6wkjWxEbKY animation] to help.

* NEW ARTICLE: [[Biogas-fueled_pump|'''Biogas-fueled pump''']] - Using biogas for pumps in irrigation is gaining in popularity in India and elsewhere, as the savings in petroleum fuel prices are great. A diesel pump can also be converted into a bio-gas pump used for pumping water. The cheapest way to get biogas, once a pump is obtained, is to build a biomass digester, which means biomass must be collected, cultivated, or found.

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