Shipping companies and software developers are experimenting with self-driving trucks as a way to solve a driver shortage worsened by the Covid-19 pandemic, drawing fire from safety advocates who call the technology a risk to motorists.
JB Hunt Transport Services, Uber Technologies’ freight division and FedEx are among the operators testing automated big rigs as a lack of drivers has caused ports to back up and intensified the supply-chain squeeze gripping the US economy. While…