I hear on this site that, these are the answer to all our problems, problem is the average American can’t afford them. Yes they give you tax insentive’s, but at $100,000 an up a pop to make you’re house run on solar energy, it’s still a pipedream for most of us. Hybrid cars are what about $50,000 and up.I guess like all technoligy, we just have to wait for the price to go down with time,