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Most hybrid owners don't buy another hybrid, Polk study says

Almost two-thirds of U.S. hybrid buyers returning to the market in 2011 chose something besides another hybrid. Excluding owners of the best-selling Toyota Prius, the repurchase rate among other hybrid buyers dropped to 22 percent, according to a Polk study released today.

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.

Dax Shepard goes full throttle

Dax Shepard leaned on his Hollywood acting friends to fill out the cast of his new movie, Hit and Run, that hits theaters on Aug. 24. (Watch the movie trailer here.) But he wrote the script with his "stars" in mind--a hot-rodded 1967 Lincoln Continental and a Tatum Baja 1000 racer that he keeps in his garage.