TOKYO -- Superconducting power transmission technology, which promises to deliver electricity while leaking almost none along the way, has entered the practical stage in Japan, offering a potentially less costly way to operate trains and a possible countermeasure to global warming.
Technology
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Superconducting technology will allow trains to operate cheaper
Japan's Railway Technical Research Institute is testing a 1.5-km superconducting transmission line in Miyazaki Prefecture. (Photo by Kotaro Fukuoka)
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