New technology allows the train's engine to capture the energy it now wastes, store it in a battery and use it for acceleration.
California energy company BrightSource hopes to light half-a-million homes with solar power plants in the Mojave Desert.
CEO Jim Rogers explains why Duke Energy is partnering with Chinese companies to create energy-efficient products.
Bay City, Texas, residents speak about the opportunities and potential hazards of having a nuclear plant in their town.
Spent fuel rods are piling up at temporary sites while the government debates where to store the waste long term.
David Crane explains how his company is working to build the first new nuclear power plants in the US in 30 years.
The Ford chairman gives Fortune a ride in the 2010 Taurus and talks about the technology under the hood.
Chairman Bill Ford sees hybrids as part of a long transition away from gas-powered cars.
The Ford chairman says higher gas prices and better quality hybrids have led to changes in buyer behavior.
The Ford chairman says the U.S. government needs to take steps to ensure fuel price stability.
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Why Google ran a TV ad(2:13)
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Home Depot lights up recycling(03:02)
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Garbage powers Windex plant(2:36)
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Ford's government wish list(4:33)
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An environmental odd couple(2:48)
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$1.5M car you can't have(1:56)
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Cash-fueled acquisitions(1:49)
