The buzz around self-driving cars is growing, but they’re thus far only legal in four U.S. states. Personal Injury San Diego developed an infographic that examines the legality of self-driving cars, the differences between levels of automation, and the leaders in the field. Google may be the company grabbing the most headlines for self-driving cars, but they don’t actually hold the most patents in the field. Keep reading to learn more about the exciting new technology and the future of self-driving cars.

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