Audi unveiled a new technology called Traffic Jam Assist at CES which autonomously drives a car at speeds up to 37 MPH. Electric cars and fuel cell vehicles are selling so poorly in China, the government will drop the sales tax on those cars in an effort to boost sales. The 2013 Mercedes-Benz E-Class hybrid comes with a feature that allows the car to cruise along on battery power alone. All that and more, plus a preview of Autoline This Week about how African-American men essentially saved Cadillac in the depths of the Great Depression.