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U.K. Supermarket To Run On Electricity Made From Its Own Rotting Food

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The joys of anaerobic digestion

One U.K. grocery store plans to power itself using biogas harvested from its own unsold, rotting produce. Yum.

A Sainsbury's store in Cannock in central England is getting access to anaerobic digesters. The store plans to use electricity solely from the digesters, taking no electricity from the U.K.'s national power grid, which is fed by a combination of coal, natural gas, nuclear power plants and other sources. Sainsbury's will even sell any excess electricity it makes back to the grid.

The Cannock Sainsbury's will be the first U.K. store to stop using U.K. grid electricity, the BBC reports. While we've never heard of a big U.S. store doing exactly that, U.S. grocery-store chain Kroger is supposed to have an anaerobic digester that provides more than 20 percent of the electricity needs of its Compton distribution center. And U.S. cities and states have recently planned anaerobic digester systems to take discarded food.

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