Whole Foods is recycling used oil from the commissary’s industrial fryers and burning it to run a custom-designed generator that provides nearly all the electricity for the 70,000 square-foot building, which houses the kitchens and another tenant. The system is powering lights, refrigerators, and a long list of appliances and other equipment used to prepare food sold in 62 stores. Whole Foods estimates that the system, which also eliminates the need to dispose of more than 1,000 gallons of used oil every week, could save the commissary about 20 percent of its energy and waste disposal costs
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