New York Times article on legislation requiring very energy efficient building in various countries. Consider how many high-performance buildings Europe already has, and then imagine how much additional innovation this will drive.
Weberhaus is another great company continually innovating and using technology to produce high performance buildings. A zero energy house is old news for this company - their Energy Plus homes are the new standard. Take a look at a video here to learn more.
For passive houses built using prefab production, the weberhaus is a great example.