A bevy of concept cars to get you going Don't expect to see any of these slick rides in your local showroom anytime soon. With concept cars, manufacturers spend fortunes to work out the technology for tomorrow's vehicles while giving us an enticing peek at what we can expect to see in automotive technology in years to come. In other words, concept cars are the stuff of laboratories and dreams--not driveways. Still, they're a blast to look at. Here are a few we've seen around the car show circuit this year.