Can you 'superinsulate' that home, please?

Can you 'superinsulate' that home, please? - By Martin LaMonica, CNET Green Tech
From an environmental perspective, Cheimets sees some irony in the fact that he's using a garage-full of oil-based foam insulation to save oil in his home. But he thinks superinsulation is a way to make a big leap in energy conservation--potentially in stages--without having to rebuild or alter the look of existing homes.