The ride-hailing company, Uber said it will stop developing self-driving trucks that have been hauling cargo on U.S. highways, seeking to focus its autonomous vehicle technology solely on cars, according to Reuters. Through its acquisition of Otto in 2016, Uber had sought to disrupt freight hauling with self-driving trucks and Uber Freight, its smartphone app that connects truck drivers and shippers. The company said Uber Freight, which has seen "rapid" growth, is unaffected by the decision. Trucking has been viewed by transportation experts as a natural…