Had you ever ask yourself why new homes couldn’t be built earlier with solar systems on the roofs, and why couldn't they come already installed with Energy efficient appliances? Well California is winning a giant leap ahead and truly is taking a leadership role in the efficient energy market.

Read full story http://www.theenvironmentalblog.org/2007/10/new-homes-in-california-will-be-energy-self-reliant-by-2020/