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First displayed at CES earlier this year, GM brought its 4G LTE Chevrolet Volt demonstration vehicle to the Society of Automotive Engineers World Congress in Detroit this week. The car marries GM's OnStar telematics system with Verizon's 4G LTE data network to answer one question, according to OnStar's Dave Cheney: "If you had a high-bandwidth connection in a car at all times, what would you do with it?"

Even though Verizon rolled out its 4G LTE service early last month, CES was wireless broadband's coming out party. Along with unveiling a handful 4G-capable devices, Verizon approached General Motors' OnStar division to create a rolling showcase of what a wireless broadband-equipped vehicle could be capable of. The key word is could. While everything OnStar developed is feasible, it's not hitting the market anytime soon. It's simply a showcase of what's possible, if not probable.