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Nissan simplifies tire inflation with its new warning system

Nissan will install tire-pressure-measuring systems on its Quest and Altima vehicles that alert the driver filling the tire when it reaches an acceptable level. Most people don't carry a tire-pressure gauge in their car. A new federal study shows that underinflated tires triple the risk of an accident.

BMW ALPINA D3 Bi-Turbo is the world’s fastest diesel car

BMW ALPINA D3 Bi-Turbo (pictured) is the world’s fastest diesel car Alpina take BMW’s already very good cars and take them to another level. Just like the new BMW ALPINA D3 Bi-Turbo. The Alpina D3 is Alpina’s take on the BMW 3 Series and Touring, and is a distinct step up from the BMW 335d, with more performance, more luxury and yet some very good performance and BIK stats.

McLaren P1 concept

The McLaren P1 concept – the company's flagship hypercar model – will make its world debut at the Paris motor show next week ahead of the production model some time next year. These first images reveal an exterior that's more expressive in its surfacing and graphics than the existing MP4-12C, with a particular motif made of McLaren's 'tick' logo through the DRG. Its bodywork also appears to be layered over the underlying carbon structure that appears around the nose, rear and door panel, which hint at the diagonal bar that ran through the F1's doors, although here it dives downwards rather than creating a wedge.