For a breakdown of the percentages of energy contributed by renewable sources such as solar and wind power, refer to: http://tonto.eia.doe.gov/energy_in_brief/renewable_energy.cfm
A new device in a line of “green gadgets” called the “Tweet-a-Watt” released by Ladyada enables users to monitor their daily use of home energy and broadcast it on the social networking website Twitter.
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