Self-driving cars need high-quality digital maps to function properly. They not only use digital maps to find their general location, but also in some cases to locate landmarks that aid maneuvering in low-viability situations, or when a GPS link isn’t available. Consequently, accruing map data has become a major priority for automakers and tech companies. But the world’s largest new-car market is throwing up a major roadblock to these efforts. Read More at The Drive