more gas than wind

It´s not fashionable, but landfill gas contributes the largest proportion of renewable energy in the UK, larger even than wind. So why don´t we know more about it? William Knight investigates. In the shadow of Haytor on Dartmoor, a stream of lorries queues to disgorge its innards on to a 35m high pile of old mattresses, yoghurt pots, garden clippings and assorted junk; the collective rubbish of South Devon and beyond.