General Motors says its OnStar 4G LTE connection will allow cars to act as a mobile Internet hub. General Motors hide caption

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CEO Mary Barra told Congress that she sits at the helm of the new GM. Is the company new and improved? The answer is complicated. Evan Vucci/AP hide caption

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Chevy Cobalts on the assembly line in Ohio in 2008. Documents show General Motors was aware of problems with the car's ignition switch years before, but failed to act. Ron Schwane/AP hide caption

itoggle caption Ron Schwane/AP

The number of vehicles recalled has more than doubled in the past 20 years. Kevork Djansezian/Getty Images hide caption

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