Nestling in the heart of the Cornish countryside near Truro, Bennamann Ltd is a small company aiming to drive a radical shake-up of the world’s energy markets by introducing a highly disruptive, commercially viable way of sourcing and distributing zero carbon sustainable fuel locally.

But rather than using wind, sun or underground rocks as a starting point for heating, cooking or vehicle fuel, they will be using something most of us prefer not to think about too much, farmyard manure.