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All the power you need for satellite TV. More than a billion people worldwide live without reliable access to electricity. Providing them with power will require hundreds of billions of dollars of investment, vast deployment of technology, and adaptable business and financial market strategies. Much of the job can be done with power generation systems that are not connected to a central grid, and with largely fuel-free technology. That is, the new grids need not be the enormous, centralized kind that exist in the developed world. If power can be generated where it is consumed -- with a solar system connected to home appliances, for example -- it can closely follow electricity demand growt... Full story

19 May