With a net worth over $400 billion, if Elon Musk went car shopping, how many of his trademark electric cars could he drive home? Let's find out.

Tesla CEO Elon Musk fought court cases on opposite coasts on Monday, raising a key question about the entrepreneur that could either accelerate his plan to put self-driving Teslas on streets or throw up a major roadblock: Can this billionaire, who has a tendency to exaggerate, really be trusted?

After years of announcements, Tesla has opened its first diner in Hollywood. Robots greeted guests at the retro-futuristic fast-food restaurant. Elon Musk wants to establish a new concept for his charging stations for the project.