Authentication is a key problem to solve before use of the Internet in cars can reach its full potential, General Motors Chief Technology Officer Anthony Scott said at the Supercomm conference here Monday.

The owner of a car may not always be the driver, and some Internet-based services for cars may require information about passengers as well as the driver, Scott said at a session that included executives from United Parcel Service and Electronic Data Systems. So, it will be important to give drivers and passengers tools for identifying themselves and verifying their identity with providers of in-car services, Scott said.

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