[...] government rules are catching up. -- Test drivers must have a sparkling driving record, complete a training regimen and enroll in a program that informs their employer if they get in an accident or are busted for driving under the influence off hours. -- Companies must report to the state any accidents, as well as how many times their vehicles unexpectedly disengage from self-driving mode, whether due to a failure of the technology or because the human driver takes over in an emergency. Toyota, Chrysler, Ford and General Motors are "all running around here with some form of autonomous vehicle," said James Fackler, assistant administrator for the Michigan Department of State, which registers motor vehicles.