Philadelphia Auto Show: Newest cars and trends for 2013 [photos]

    The 2013 Philadelphia Auto Show is a model of efficiency.

    The annual show is back at the Pennsylvania Convention Center, and NewsWorks got a peek Friday at some of the cars on display.

    Aside from the latest tech and customization trends, one thing many cars in the show have in common is competitive gas mileage. The show starts Saturday and runs through Jan. 27. Information and tickets are available online.

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