From stools to fuels: the street lamp that runs on dog do

Turning turds into power is not new but most of this energy still goes to waste. A host of innovative projects aim to maximise poo's full potentialA long winding road climbs into a gathering dusk, coming to an abrupt dead end in front of a house. Here, a solitary flickering flame casts out a warm glow, illuminating the nearby ridge line of the Malvern Hills. Below the light sits a mysterious green contraption resembling a cross between a giant washing machine and a weather station. This is the UK's first dog poo-powered street lamp, and it is generating light in more ways than one. Continue reading...