General Motors Co. and Cruise LLC, the autonomous vehicle company it has a majority stake in, have filed an application with the National Highway Traffic Safety Administration to build and commercially deploy a self-driving shuttle. Rob Grant, Cruise’s senior vice president of government affairs and social impact, called the move “a big step toward our vision of a safer, more sustainable and accessible transportation future” in a blog post on the Cruise website announcing it. The news comes after Cruise earlier this month said it would start offering members of the public free rides on San Fra…