Harley Davidson Dyna Fuel Guage on 2040-parts.com

General Motors CEO Rick Wagoner out, replaced by COO Fritz Henderson

General Motors chairman and CEO Rick Wagoner has agreed to "step aside" after pressure from the Obama administration last week, ending his eight-year tenure at the helm as the company seeks additional federal aid. He's been replaced by GM President and COO Fritz Henderson, effective immediately. GM confirmed the moves shortly after midnight Monday.

Watch the Porsche 911 GT3 rear-steering system work

A handful of manufacturers have offered four-wheel steering in the past including Honda, Nissan, BMW, Mitsubishi, Mazda and, most recently, Acura and Porsche. On Monday, suspension expert Elephant Racing uploaded a video to its YouTube channel demonstrating the feature on the 2014 Porsche 911 GT3. In most four-wheel steering cars--Acura and Porsche included—a computer controls the movable rear wheels.

New Volvo V40: The Pedestrian saver +video

Volvo V40 Pedestrian Airbag Apart from great looks and lots of promise the new Volvo V40 offers lots of safety features, including a pedestrian air bag. Of all the mainstream cars we’ve revealed in the last few weeks as the hullabaloo of Geneva ensued, the new Volvo V40 has garnered more readers than any other, which surely augers well for the new V40′s prospects. It’s not just that Volvo seem to have got the whole looks thing right, but they’ve also managed to create a car in the new V40 that just has instant appeal.