Charged up - the batteries lighting the way to a more sustai

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Offline thedoc

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Street lights may seem just part of the mundane backdrop of life, but many firms have been devising exciting ideas for powering them more cheaply and making them do far more than illuminate a dark road.

Read the article then tell us what you think...
« Last Edit: 01/09/2016 10:09:55 by _system »