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Bugatti: Under the hood of the world's fastest car

7:52 AM ET Thu, 1 Aug 2013

CNBC's Robert Frank and John Hill, Bugatti sales director, take a look at the world's fastest and most expensive car; the Bugatti Veyron 16.4 Grand Sport Vitesse, which comes with a price tag of $2.5 million and a top speed of 253 MPH.