Lawmakers question behind-the-scenes human involvement as autonomous driving technology expands nationwide rapidly.

For those who drive a relatively modern car, you can enjoy the benefits of remote start using your iPhone and the app provided by the automaker.

Google-spinoff Waymo is in the midst of expanding its self-driving car fleet into new regions. Waymo touts more than 200 million miles of driving that informs how the vehicles navigate roads, but the ...