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Continue to ChatFirst Bus Running On Biomethane From Human Poop Launches In UK https://cleantechnica.com/2014/11/27/first-bus-running-biomethane-human-poop-launches-uk/
First Bus Running On Biomethane From Human Poop Launches In UK https://cleantechnica.com/2014/11/27/first-bus-running-biomethane-human-poop-launches-uk/