(http://media.il.edmunds-media.com/non-make/ns/ns_923112_196.jpg) The world's oldest running motor car, a 1884 De Dion Bouton et Trepardoux Dos-a-Dos Steam Runabout, will cross the auction podium at RM Auctions' Hershey sale October 6-7, along with other historic vehicles.
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