Did you read the first paragraph? > San Diego-based startup TuSimple said its self-driving trucks will begin hauling mail between USPS facilities in Phoenix an

Did you read the first paragraph? > San Diego-based startup TuSimple said its self-driving trucks will begin hauling mail between USPS facilities in Phoenix and Dallas to see how the nascent technology might improve delivery times and costs. A safety driver will sit behind the wheel to intervene if necessary and an engineer will ride in the passenger seat.