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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.

2014 Audi R8 priced at $119,150

The 2014 Audi R8 goes on sale Friday at the low, low price of $119,150 -- including destination and gas guzzler -- when equipped with the manual transmission. The S-Tronic-equipped version ups the price to $128,250. The base Audi R8 makes 430 hp and 316 lb-ft of torque from its 4.2-liter V8.

'Top Gear' caught testing McLaren P1

The “Top Gear” boys were hanging in Belgium this week, shooting for the 21st season of the British television show. Some time next season we'll see the guys test this McLaren P1, caught by an observant YouTube poster. The video starts with the crew ogling the P1 supercar in the garage at the Spa-Francorchamps circuit, before the camera car, a matte black Mercedes SUV, and the McLaren hit the track.