Gill Pratt, CEO of the Toyota Research Institute, unveils Toyota’s latest autonomous-driving test vehicle for the Toyota Research Institute, called P4, based on the new-generation Lexus LS500h hybrid luxury sedan, with a roof-mounted assembly with cameras and sensors, and sensors added onto the front fenders, at the Toyota news conference at CES International Monday, Jan. 7, 2019, in Las Vegas. (AP Photo/Ross D. Franklin)