The average U.S. suburban house requires about 45 kilowatt hours of electricity per day. But according to this post by Treehugger, a model home on display at the National Building Museum in Washington can run on a miserly 800 watt hours a day. One of the many corner-cutting secrets: A stove with a built-in toaster.
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Samsung's latest flagship smartphone has a lot to offer, but that doesn't mean you should buy one.