Backyard Nukes?

I am not sure if this is clean, or it's green, but at least it doesn't emit CO2. The net is full of stories recently about new, miniature self-contain nuclear reactors which supply 25 megawatts of power, when and where you need it. The technology was developed at Los Alamos National Lab, and is now apparently being commercialized via a company called Hyperion Power Generation, Inc. The miniature power plant is truck-sized and buried underground for the five years it operates. HPG says it has no internal moving parts, needs no maintenance, and emits no pollution (though I am guessing there amy be a few neutrons and gamma rays flying around, which is a good reason to bury it; HPG doesn't talk about this). After five years, you replace it, like a battery. It may be a while before one of these is literally in your back yard, since you ...