It used to be a problem just for the high-school kid withe a ten-year-old Mustang: Get in a fender bender and the insurance company declares the car a total loss because the repair cost is greater than the value of the repaired car.

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Total sales were also boosted by repair-related spending linked to the aftermath of Hurricane Sandy.

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Total maintenance costs equal 11 passengers on the plane of 100, according to US Airways, which built its own repair shop in Philadelphia just for the trucks, baggage carts and the tugs that haul them.

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