Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Infiniti's new M and hybrids at Geneva motor show

Infiniti, Nissan’s upmarket wing, can finally have a serious stab at the European luxury car market after launching its Renault-based turbodiesel V6. Its pleasingly idiosyncratic range of cars – ultra modern, finely crafted and mostly fun to drive – have been hamstrung in the showrooms by a range of V6 and V8 petrol engines which have been designed for customers in Los Angeles or Boston, not London or Berlin. Of a diesel, there has been no sign.

Watch Tesla Model S testing new titanium armor

In a missive signed by Elon Musk himself, Tesla announced it would be adding titanium plates and aluminum deflectors to all new Model S sedans and offering free retrofits for the 20,000 or so existing EVs. The company earlier offered an over-the-air software update to raise the ground clearance of the Model S so the car would be more likely to clear dangerous road debris. The actions were in response to well-publicized fires in the electric luxury sedans.

2014 Nissan Qashqai teased… again

This is the first proper picture of the all-new, second-generation Nissan Qashqai SUV crossover, set to go on sale in the UK in early 2014. As we reported last week, although the new Qashqai’s official unveiling isn’t until Thursday 7 November 2013, Nissan can’t help itself, giving us a sneak peak of what it’s got in store for the new car with this latest image. On Bing: see pictures of the 2014 Nissan Qashqai Find out how much a used Nissan Qashqai costs on Auto Trader The studio shot was a bit dark and dingy when it dropped into the MSN Cars’ inbox, but thanks to some Photoshop trickery, we’ve managed to brighten up the picture to get a good look at the replacement for the UK’s best-selling SUV in 2012.