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Mopar rolls out a line of alternate grilles, wheels for the Chrysler 300

Chrysler 300 owners love the bling, and Chrysler isn't about to let the aftermarket snap up all that accessory cash. To compete, Chrysler's Mopar parts arm is introducing eight new custom grilles and six new wheel designs for the big sedan. Chrysler designed the grilles as inserts, to fit within the original grille surround.

Carbon-fiber parts and a software fix help create a lighter, faster Fiat

Chrysler Group's Mopar parts brand and Italian supplier Magneti Marelli have teamed up on a design exercise based on the 2012 Fiat 500 Abarth that shaved weight and added horsepower. The vehicle, called the Venom, has a number of carbon fiber components -- hood and side mirrors, for example -- that makes it about 200 pounds lighter than the 2,512-pound Abarth. The Venom uses software updates and additional exhaust components to boost the Abarth's standard 160-hp 1.4-liter turbocharged engine's output by as much as 25 percent.

Realization of a Dream - Inside Project M

The appeal of social media is growing rapidly for the auto industry. Sites such as Twitter, YouTube and Facebook give brands the chance to communicate in a much more direct manner than mainstream advertising allows. In the best cases these new forms of media are helping brands, and the individuals who work for them, to build relationships and open dialogue with existing customers and potential future ones.