Local Motors just unveiled the bus of the future, and it's fully autonomous, made by a 3D printer and controlled by IBM's flagship artificial intelligence system. In other transportation news, a German official declared that all new cars registered in the nation will need to be zero-emission by the year 2030. Tesla announced plans to sell its electric vehicles in a Nordstrom store in Los Angeles. And a solar-powered boat embarked on a historic journey across the Atlantic Ocean.