Yesterday we mentioned the EPA's Lifecycle Building Challenge. We're most intrigued by last year's winning student entry, Texas A&M's groHome:
Using a library of pre-manufactured components brought to a site and assembled efficiently, the structure is designed with a specialized bolted connector [joint] that allows for components to be unplugged easily and without damage. Radio Frequency Identification Tags (RFID) can be embedded to take inventory and check the history of components.
More detail on the "gro(w)ability" of the home:
The plug and play concept is taken from the computer industry. .... The chrysalis of this idea is in our joint, the groJoint. It is designed to receive a beam on four sides and column or foundation on the top and bottom. Connections are all bolted which allows for components to be "unplugged" easily and without damaging the component....
The Texas A&M Solar Decathalon Website has more background information on the team and the project.
A few of the prefab companies we cover already use similar standardized systems: