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As we were working this Friday afternoon, the topic of course turned to cars. We started wondering, with so many new cars manufactured each year, where do all the old ones go?

We found that approximately 40 million new cars are manufactured each year, worldwide. Are there 40 million "old" cars that are recycled or removed from the face of the earth each year? Do people just keep collecting more cars? Are the junkyards around the world filling up? Or are there just millions and millions of additional cars constantly being added to the roads?

Does anybody know?