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The fear that fossil fuels will run out and that using coal, gas or oil to generate electricity is harming our planet has led to a surge in renewable sources like solar and wind. However grass could prove to be another green source of power, used to create electricity. A company in the UK has been given permission to build the country's first grass-fed power station and the Â鶹Éç’s Mike Johnson has been investigating the possibility of pasture power. (Picture: A ground view of grass. Getty Images.)