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Tokyo Motor Show: Is hi-tech the answer for Japan's car industry?

1 December 2011 Last updated at 02:41 GMT

The Tokyo Motor Show is under way at the end of a dismal year for the Japanese car industry.

After the earthquake and tsunami, the latest threat is the high yen, which makes manufacturing less competitive.

But as Roland Buerk reports, some are placing their hopes for the industry's future on Japan's hi-tech expertise.