Newark Liberty International Airport could soon be getting self-driving shuttles. The Port Authority of New York and New Jersey is set to begin testing three models of the self-driving electric vehicles at the Jersey airport this spring to hopefully use them to connect passengers with the new AirTrain Newark system, which is set to open in 2030. The tests — which will feature zero-emissions vehicles from autonomous-tech companies Oceaneering, Ohmio and Glydways – will take place in a non-