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GM unveils electric Cadillac Converj concept at the Detroit auto show

General Motors pulled perhaps a surprise at the Detroit Auto Show Sunday morning, unveiling an eye-catching two-door Cadillac concept powered by a "future evolution" of the Chevrolet Volt's electric powertrain. Called the Converj, the Cadillac will have a range of 40 miles on electricity, with a potential total range of 700 miles after a generator kicks in. GM says the powertrain, formerly known as E-Flex, is now called Voltec, and could be used in a variety of applications.

Bypassing the graduated driver's license program

Teens aren't getting driver's licenses like they did 20 years ago. Even the licenses themselves have changed, and the cost of insurance and fuel are considered contributing factors in the lack of teen enrollment in driver training. Flip through our coverage below for our look at the state of teen driving, and a list of websites that offer innovative ways to track your teen driver and their driving habits.

One Lap of the Web: Buy yourself a Bentley 4 1/4 Litre, A Futurliner car hauler and the TagAZ Aquila

-- Forget to get yourself a Christmas gift this year? Why not buy yourself a Bentley? Not all examples of the marque sell for six figures, especially if you look back a few decades into the past.