American superconductor CEO Greg Yurek says that in the long run, the cost of superconductor transmission cables will be below that of adding new aboveground copper power lines.

美国超导公司CEO Greg Yurek声称在长期看来，超导体传输电缆的费用将会低于增加新的地上铜电缆。

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But, according to Greg Yurek, American Superconductor's boss, it will be a third of the weight of its conventional alternative.

ECONOMIST: Superconductors are starting to become useful

Greg Yurek, the head of American Superconductor and a former professor at the Massachusetts Institute of Technology, argues that recent trends have increased the instability of the grid and highlighted the need for this sort of technology.

ECONOMIST: ENERGY: Building the energy internet | The