The test encompasses muscling a heavy load up an unrelenting grade at a minimum speed. To pass the test, trucks must suffer zero mechanical failures, throw no warning lights, and run the air ...

opening the door for companies to test self-driving technology with previously prohibited autonomous commercial semi-trucks on the road.Regulators say self-driving heavy-duty trucks are already ...

The California Department of Motor Vehicles announced Friday that it released proposed regulations allowing self-driving ...