23 septembre 2007
All we need is SUN
Can Sunshine Provide All U.S. Electricity?
By David Biello, 19 septembre 2007, Scientific American.com
Large amounts of solar-thermal electric supply may become a reality if steam storage technology works—and new transmission infrastructure is built (...) But physicist David Mills, chief scientific officer and founder of Palo Alto, Calif.–based solar-thermal company Ausra, has bigger ideas: concentrating the sun's power to provide all of the electricity needs of the U.S., including a switch to electric cars feeding off the grid. "Within 18 months, with storage, we will not only reduce [the] cost of [solar-thermal] electricity but also satisfy the requirements for a modern society," Mills claims. "Supplying [electricity] 24 hours a day and effectively replacing the function of coal or gas."
Spare Power Sufficient to Fuel Switch from Gas to Electric Cars
By David Biello, décembre 2006, Scientific American.com
Existing U.S. power plants could provide enough juice to switch 84 percent of the 220 million American vehicles on the road from gasoline to electricity (...).
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