This Home Should Produce as Much Energy as it uses.Perched on a hilltop outside Washington, the U.S. government's net-zero energy laboratory looks a lot like the luxury houses nearby, with two significant differences: it will make as much energy as it uses, and only sensors, not people, live in it.Designed to fit in a typical residential neighborhood, the 4,000 square foot (372 square metre) net-zero lab on the suburban campus of the National Institute of Standards and Technology is so … [Read more...]