As auto makers such as General Motors Co. and Ford Motor Co. along with tech companies including Google and Apple Inc. rush to develop self-driving vehicles or the software behind them, the world’s largest auto market—China—is creating roadblocks. Self-driving cars need detailed maps to help them discern their exact location, navigate tricky intersections and avoid fixed objects like buildings. But China limits the amount of...

Source: Wall Street Journal July 13, 2017 09:22 UTC