Robo Rigs: The Movement Toward Self-Driving Semis


DETROIT, Mich.–Southeast of Tucson’s airport, tucked into a patch of Sonoran Desert dotted with cholla cactus and paloverde trees, is a sand-colored industrial building with a horizontal emerald-green slash over the entry doors. Only when a Peter­bilt semi-truck loaded with cameras and sensors rumbles out does a visitor get any hint of the technological revolution brewing within.

TuSimple cofounder Xiaodi Hou established this depot last year to test the company’s self-driving big rigs on paid runs, the next step in commercializing an autonomous system for the $700 billion trucking market. (The trucks currently operate with a safety driver and an engineer on board; Hou wants to start making runs “driver out” next year.) 

TuSimple isn’t the only startup focused on driverless trucks. Embark Trucks, Ike, Starsky Robotics and Kodiak Robotics, all based in the San Francisco Bay Area, are racing to develop their own autonomous big rigs, but TuSimple is on the fast track.

Hou, a 34-year-old computer scientist, has raised $178 million for the San Diego startup at a $1.1 billion valuation, making it the first self-driving trucking unicorn and giving it more than three times the war chest of Embark, its closest startup rival.

The cash pile gives it an edge in expanding its fleet, key to inking more deals with clients such as Phoenix-based Royal Paper. With 15 Peterbilts and Navistars, it has more semis transporting goods for paid customers than any competitor, Forbes estimates, and Hou claims a technological rec­ord, too—TuSimple has a proprietary vision system that can see a kilometer ahead, farther than any other driverless tech company, including Waymo

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David Kiley
David Kiley

David Kiley is Chief of Content for The BRAKE Report. Kiley is an award-winning business journalist and author, having covered the auto industry for USA Today, Businessweek, AOL/Huffington Post, as well as written articles for Automobile and Popular Mechanics.