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Tesco is using its food delivery lorries to pick up rubbish from stores in an attempt to cut costs. The UK's largest retailer has stopped using waste contractors to pick up and dispose of general rubbish, including unsold food, from its 600 largest supermarkets. Instead, bags of waste are piled into metal wheeled cages lined with clear plastic. These cages are picked up by the same trucks that deliver food to the stores once they have emptied their load. The trucks drop off the rubbish at a waste centre before returning to Tesco's distribution centres to pick up more groceries and food to start the cycle again. A Tesco spokeswoman said the system, which does not involve the smaller vans that make home deliveries to customers, was more environmentally friendly. "We have recently introduced a new way of managing waste in some of our stores, which will remove 20,000 additional trips a year and reduce our carbon emissions by 4.5 tonnes a year." | 
