04 2004 Chrysler 300m, Concorde And Intrepid Service Shop Manual on 2040-parts.com

Puncture-proof car tyres 'within five years'

FORGET run-flat tyres – soon we'll be driving on un-puncturable tyres with no air in them at all. Tyre maker Bridgestone has announced plans to have its AirFree concept tyre installed on road-going cars within three to five years. The company made the announcement at a special event at its headquarters in Tokyo.

General Motors recalls another 8.4m cars

Associated Press General Motors has recalled a further 8.4 million cars as part of an ongoing investigation into a fault that causes the ignition key to turn unintentionally. Almost 30m cars across the US, Canada and Mexico have now been recalled by General Motors in 2014. Approximately 3,500 people are making claims for death or injury The recalls affect cars made as far back as 1997, but the American car maker insists that there is no conclusive evidence that faults with the cars caused crashes involving the vehicles.

Porsche Cayenne Turbo S (2012) first official pictures

If you're a Porsche Cayenne buyer, it's unlikely you're too bothered about the political (in)correctness of your vehicle. Still, Porsche has somewhat injected a modicum of common sense into the new flagship model: the Cayenne Turbo S. Despite gains of 42bhp and 37lb ft over the already potent Cayenne Turbo, Porsche claims the Turbo S suffers no drop in fuel efficiency or inferior CO2 output.