Beauties and beasts, the AW list of 13 challenging routes

Everyone has an opinion about the worst road in America--usually it's one in their neighborhood. We poked around and compiled our own list of the 13 roads, highways and interchanges that you should pay attention to--for good or bad reason. Good traction and four-wheel drive can't shield you from falling rocks or shoulderless mountain passes.

Audi Sport Quattro concept hits ahead of Frankfurt motor show

Audi is set to take next week's Frankfurt auto show by storm. It is unveiling the new 700-hp Sport Quattro concept -- a car promising to be a new technological flagship for Audi, and one that company insiders strongly hint will go into limited production. The concept is being created to celebrate the classic Sport Quattro's 30th anniversary.

Center stack is new high-stakes battleground; showdown with safety regulators looms

For auto suppliers and gadget companies eager to get a piece of the auto industry, the hottest chunk of vehicle real estate now is the center stack. That corridor of interior space, running from the driver's right hip up through the center of the cockpit to the bottom of the windshield, has become a California gold rush of opportunity. But it is less so for traditional suppliers of molded plastics, cables, levers, buttons and radios.