Dog poo could be used to run lights at North Adelaide Dog Park | The Advertiser - 0 views
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John Pearce on 26 Jan 14"THE smelly scourge of suburban parks and footpaths could soon, literally, be seen in a whole new light. The contraption, called the Park Spark, was devised by a Massachusetts Institute of Technology graduate. Park Spark users put their dogs' waste in biodegradable bags and then into tanks, where a wheel turns to break it down and release methane, which powers a gaslight-style street lantern."