Sweden creates energy for around 250, 000 homes and powers one-fifth of the district heating system, Swedish Waste Managements says.

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In some instances, microCHP systems have attempted to use waste heat for residential space heating.

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Waste steam and carbon dioxide from a nearby factory will be pumped into the glasshouse, providing heating and a boost to growth.

BBC: NEWS | UK | England | Tees | Factory fuels year-round tomatoes