A life-sized “cow lamp” appeared in front of the Houses of Parliament – to draw attention to the potential of livestock poo being used as a renewable energy source. Passers-by did a double take at the unusual replica of a Victorian sewer lamp connected to a cow in central London.
But it was there to symbolise the untapped potential of biogas – which is derived from cow poo and food waste – as a renewable energy source.
Biogas was once a staple of Victorian Britain after Birmingham engineer ... Read even more
