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Bloom box: An energy breakthrough?

K.R. Sridhar of secretive Bloom Energy shows "60 Minutes" his company's little power-plant-in-a-box, already in use by Google and eBay.

The following is a snippet of the transcript from a "60 Minutes" segment shown Sunday evening, as an introduction to the full video segment itself.

In the world of energy, the Holy Grail is a power source that's inexpensive and clean, with no emissions. Well over 100 start-ups in Silicon Valley are working on it, and one of them, Bloom Energy, is about to make public its invention: a little power-plant-in-a-box they want to put literally in your backyard.

You'll generate your own electricity with the box and it'll be wireless. The idea is to one day replace the big power plants and transmission line grid, the way the laptop moved in on the desktop and cell phones supplanted landlines.

It has a lot of smart people believing and buzzing, even though the company has been unusually secretive--until now.

K.R. Sridhar invited "60 Minutes" correspondent Lesley Stahl for a first look at the innards of the Bloom box that he has been toiling on for nearly a decade.

Watch CBS News Videos Online

Read more and see shorter video excerpts from "The Bloom Box: An Energy Breakthrough?" at