Dung has sweet smell of success

The Marcillac méthanisation plant in the Dordogne

A plan to get rid of farming smells caused by cow dung in a tourist area has worked 

The clever concept has given farmers extra revenue as the dung is turned into biogas and used to make electricity that they can sell to the national grid.

It has also made fertiliser for their fields and created enough power to run a dairy unit and three homes.

The méthanisation plants set up by Dordogne farm cooperatives use anaerobic digestion to turn dung into biogas and biofertiliser.

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