A pioneering scheme to light up street lamps using dog faeces.
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The waste collected will be broken down by micro-organisms and turned into power, through a process called anaerobic digestion.
The dog waste would be thrown into an airtight "methane digester". The mixture would be stirred to help methane rise to the top of tank. After the tank fills up, a pipe brings the methane to a lamppost where it is burned.
Downie vowed to clean up the streets after he became fed up with pushing his baby's pram through pavements that were covered in dog faeces.
He has invested 10,000 pounds into designing the power stations with his business partner Christopher Dunn. They set up a company called StreetKleen.
He hopes to have the first waste bins in place in the county by July.
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Anaerobic digestion is a process in which micro-organisms break down biodegradable material in the absence of oxygen.
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