The Swedish battery-electric automaker is marketing its cars and company to those turning against Musk’s EV giant.

By placing its humanoid robot steps from the finish line, Tesla is turning one of the world’s most photographed events into a massive showcase for Optimus.

California regulators have drawn a sharp line around what carmakers can promise when they talk about “self-driving.” State officials have warned Tesla that unless it rewrites how it markets Autopilot ...