The idea of converting dog waste to renewable biogas started off as a modest art project in Cambridge, Massachusetts, two years ago, and it has struck a spark across the pond. A new company in Wales called Streetkleen has constructed a dog waste-to-biogas conversion station in the county of Flintshire and plans are already in the works to expand into a network throughout the U.K.
The art project in Massachusetts was the Park Spark Project. It used a biodigister to transform dog waste into methane that was then used to power a park lamp. I’m assuming the Streetkleen system will be similar.