Version: 2008

Photos: Measuring home energy use in dollars and trees

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May 30, 2008 4:41 AM PDT

In addition to displays of kilowatt-hours per day and watts per 5 minutes, the Holmes interface connects to the Wattson to show carbons spent by the kilogram. DIY Kyoto is planning an online community where users could compare energy-saving tips.

Photo by DIY Kyoto

Caption by Elsa Wenzel

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