Energy needs fuel innovation
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 CNN's Bill Hemmer takes a look at some alternative sources of energy.
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January 18, 2000
Web posted at: 5:20 p.m. EST (2220 GMT)
(CNN) -- Imagine giant wind fields that could power an entire nation or solar technology that could capture a year's worth of energy in one single day. Will hydrogen one day be used to power your car? Could fusion make a barrel of water as valuable as a barrel of oil?
CNN's Bill Hemmer reports on the future of energy.
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