While car companies want to show off their environmental credentials, they also realize that performance never goes out of style. We spent quite a bit of time going over these sporty concept cars at the 2007 Tokyo auto show. They range from small, fun performance cars from the likes of Honda and Peugeot, to big sport luxury concepts from Nissan and Suzuki, and all the way up to pure design plays like the Mazda Taiki.
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