Cables for a super grid
Another company still early in product development is Electric Pipeline, which is developing conductors for high-voltage direct current transmission lines, one of the technologies proposed for carrying solar and wind power over long distances. Company engineers are working on solid aluminum conductors for use in underground cables which would lose less energy than existing lines during transmission.
March 8, 2010 12:03 PM PST
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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