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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.

New (2014) Mazda3 now on sale: Price from £16,695

New (2014) Mazda3 now on sale: Price from £16,695 The new Mazda3 arrived in the summer, but only now has Mazda got round to revealing prices as the new 3 goes on sale in the UK as a Hatchback or Fastback. The new Mazda3 has grwon in size, gets better looking, offers Mazda’s SKYACTIV-G and SKYACTIV-D engines and looks set to offer even more competition for the VW Golf and Ford Focus. Mazda has managed to stretch the Mazda3 range to a total of 36 models – 21 hatchbacks and 15 Fastbacks – with a choice of three petrol engines -  the new 1.5-litre with 110PS and two versions of the 2.0 litre with 120PS or 165PS – and the 2.2 litre 150PS SKYACTIV-D diesel.

Tesla Model S goes up in price

The electric Tesla Model S – which won’t arrive in the UK until at least late in 2013 – is going up in price in the US and gets a spec change. The Tesla Model S is perhaps, just perhaps, the only really credible electric car so far; a luxury ‘Sports’ saloon car that offers range almost comparable to an ICE car and, it seems, prices that aren’t an awful lot different. That makes it a far more appealing prospect as a replacement for an ICE car than anything we’ve previously seen.