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Vehicle-to-vehicle communications

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It's called V2V, or vehicle-to-vehicle communications. Ford has already installed the so-called smart technology in some of its test vehicles.

Tech expert Seth Porges explains how it works: It allows cars to communicate with each other to avoid accidents. The technology includes GPS to track cars on the road, giving a real-time view of where cars are located, if there are tolls coming up, roadwork, even speed limit alerts. It's as if your car is keeping an eye out for you while communicating with other vehicles.

Federal officials say the technology will cut back on accidents, maybe even save lives. But privacy concerns have been raised, including whether hackers would be able to get into a vehicle's data, thus wreaking havoc on the roads.

"But I think the privacy concerns raised here are not nearly as scary as the one's involved with mobile devices because cars, sure you can track where you are," Porges says. But with phones people can track what messages you're sending.

Federal officials are expected to decide in the coming weeks if the technology should be mandated in all new vehicles. They maintain privacy will be a priority. But the sticker shock may outweigh the smart technology for some. It will be added on to the price of a new vehicle.

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