Where's my flying car? Didn't they promise that by the year 2000?

Car companies make concept cars to show off new styling, new technology, or to gauge customer reaction to new ideas. A look back through the decades at these prototypes reveals a lot about the times in which they were introduced, and some remarkable forward thinking. Electric cars, self-driving cars, cars with periscopes, and shape-shifting cars, many of these were -- or may be even now -- a window onto the future.

Concept cars are often cutting-edge ideas with exciting features, but lack economic viability or practical application. But a lot of them are just darn cool looking, and it sure would be nice to see some of these made today.

Here are a few concept cars from the past that we'd like to see at the dealership.

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