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

Watch a Volvo find its own parking spot

Cars that can navigate into a preselected parking spot have been around for a few years now, and they've proven that under the right conditions they can pull it off successfully most of the time. But what about a car that finds its own parking spot just after you step out? Volvo is about to show a car that can do just that, and it manages this feat without an array of sensors on the roof that make the car look like a military aircraft.

Mercedes fixes diesel injector problems

Mercedes say that a new injector system for C Class and E Class diesels with the OM651 engine have now been fixed. So extensive was the problem that many owners were waiting months for their cars to be fixed as Mercedes struggled with a mounting pile of broken cars and injectors that were failing. Mercedes tell us that the problem was fixed with the release of new injectors later in 2010, but Cars UK readers have continued to complain about their cars needing multiple visits to dealers with injectors failing multiple times (that original story garnered more than 500 comments from disgruntled Mercedes owners).

GM to modify Chevrolet Volts to guard against battery fire

General Motors will add a structural reinforcement and devices to prevent overfilling of the battery cooling system in the Chevrolet Volt hybrid sedan to prevent the possibility of a fire after a side crash. The changes come seven months after a Volt caught fire three weeks after being crash-tested by the National Highway Traffic Safety Administration. The government agency in November opened a defect investigation into the Volt because of the battery fire.