Profile of autonomous trucking company TuSimple, which is valued at $1.1B and claims it has developed a proprietary vision system that can see a kilometer ahead (Alan Ohnsman/Forbes)

Alan Ohnsman / Forbes:
Profile of autonomous trucking company TuSimple, which is valued at $1.1B and claims it has developed a proprietary vision system that can see a kilometer ahead  —  Southeast of Tucson's airport, tucked into a patch of Sonoran Desert dotted with cholla cactus and paloverde trees …