From The Jetsons to Blade Runner, popular culture has suggested the cars of the 21st century would be futuristic flying machines. Turns out, many will instead look a lot like the ones found sitting in driveways 40 years ago.rnThanks to the wild successes of Volkswagen's New Beetle in 1998 and Chrysler's PT Cruiser a year later, a full-blown retro car craze is gathering steam. Proof of their appeal? The new Beetle already accounts for about a quarter of Volkswagen's U.S. sales and the PT Cruiser has been sold out since it went on sale last spring. Now comes the return of that 1960s flower-powerrnrnstaple, the Volkswagen Microbus. The German carmaker plans to unveil a throwback concept vehicle, the Samba, modeled on the original hippie bus, at the Detroit Auto show, which runs Jan. 13-21.
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