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Optima Sports pushes two new tire innovations

WITH VIDEO -- If John Scott has his way, every car on the road will be shod with tires featuring built-in camber. Scott is the owner of Wisconsin-based Optima Sports, a small automotive-engineering firm, and inventor of Camber Tires--tires with a constantly decreasing diameter. According to Scott, his tires offer multiple benefits, including enhanced handling, increased stability, reduced tread noise, improved fuel economy and better safety by reducing rollovers.

Nissan Versa hatchback previewed by Japan-market Note

The Nissan Versa hatchback will be redesigned, with styling similar to that of the new Note subcompact that the automaker revealed in Japan on Monday. Nissan said the Note will go on sale in Japan this fall and in Europe in 2013. The carmaker did not say when the Versa hatchback will go on sale, but the car is expected to reach showrooms early in 2013.

McLaren to debut MP4-12C Can-Am at Pebble Beach Concours d'Elegance

The Pebble Beach Concours d'Elegance weekend is less than a week away, and debuts continue to roll in. Wednesday's addition comes from McLaren, which will show off a track-focused concept named the 12C Can-Am Edition. The design study is painted in McLaren orange and satin black.