Journalists: 5,000, down from 5,500 last year--and 7,500 a few years ago Toyota display: Trees, flowers, geese, and the Prius Plug-In Hybrid (not available to buyers) Ford display: 50 percent larger, complete with on-floor tests of its automatic parking system General Motors display: Smaller (no Saturn, Pontiac, or Saab, minimal or no ..

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