Bloom Energy's aptly-titled Bloom Box made a splash last year with much hooplah, bringing the likes of Arnold Schwarzenegger and Colin Powell to its unveiling. But while the promise of efficient fuel cell technology is great for the eco-minded and even the long-term penny-pincher, the mid-to-high six-figure upfront cost limits the potential customer base to only the upper echelon of the environmentally conscious. Cue Bloom Electrons -- instead of paying for the