Driverless car got the license to run on public roads.
There are many other manufacturers working on driverless cars but Google is the first one to have tested a driverless car with 100s of 1000s of miles on such cars hence becoming the first one to get this type of license; Nevada state expects granting such license will encourage other manufacturers to come to Nevada for testing their vehicles (Nevada is among among less populated states in the US with lot of empty roads)