A grocery store in the UK will become the world's first to be powered entirely by its own food waste. At the end of the day, any leftover food -- after the good stuff has been given to charity -- will be transported to a nearby anaerobic digester, where it will be turned into electricity and sent back to the store via a privately owned one-mile-long power line. When the anaerobic digester is turned on, the grocery store will sever all connections to the national power grid and rely purely on the electricity generated by bacteria feasting on rotten food. Cool.
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