I think that there is a vast untapped market just waiting for the right design. Unlike most idealists about this, I don't care if the thing is the size of a car, or even 20x20 and has a 30ft stack as a low differential motor, and only moves at 20 rpm, as long as it can turn an armature at 20hp. First off, if I were to think about how funding, and demand were not even hinderances, I would gear it to new home construction where you can get the most impact, and do the most to eliminate the other problems, like lack of insulation, which is the bane of most pre-existing structures, and makes energy needs greater. Who wouldn't pay an extra 40k for a house that is PERMANENTLY off the ENRON grid, and starve those greedy bastards from day one? You can't tell me that a pre-designed half-basement, with the "cooling" section of the motor, couldn't be placed in the foundation's concrete, which even in death valley, has an ambient temperature of 64F. I know. I used to grow shitake mushrooms there in "man-made caves" that were primarily 14in reinforced concrete bunkers, and it was always 64F, even when it was 125F outside. Couple that with a heat source, like a 280ft deep well, and you get about a 25F variance. Would someone design me one? I'm no physics guru, or mechanical engineer, but I'm more than willing to go the extra mile to build it out of my own pocket, and then I believe I have the funding sources to make it a practical reality for mass production once I have a working prototype. With gas at over $3.25 a gallon, I think there would be more interest than anyone could imagine. I dread seeing my electric bill this month, as I'm sure many do; and we're all sick of the games the energy companies are playing. And when it comes to the end consumer, I think you will find that most people would sacrifice alot more that 4ft x 3ft (average genset size) to be completely off the grid.