New-car sales in the U.S. are up about 7% so far this year. That's a good thing -- but it may have come with some unintended consequences: More auto loans are going bad.

In this video, Fool.com contributor John Rosevear looks at a new report from credit bureau Experian that shows an increase in car loans going bad -- and at how that could be related to automakers' efforts to sell more new cars.

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