Japan's mapping technologyTechnology companies are racing to develop ultra-precise three-dimensional digital maps that can guide self-driving cars to within inches of where they are supposed to be - a hurdle the industry needs to clear if it hopes to deliv Self-driving minibusA minibus runs and stops at four fixed routes in Shanghai.Passengers are able to book the bus by scanning a QR code with their smartphones. Toyota to build test track for self-driving carsToyota is going all-in on autonomous vehicles, announcing Thursday plans to open a center this year to test driving scenarios too dangerous to perform on public roads. Navya ArmaNavya Arma, a self-driving bus, was put on a test run in Tokyo. Self-driving cars could ease traffic, but increase sprawlBOSTON (AP) - A new study inspired by Boston's early experiments with self-driving cars finds that the technology could ease congestion, but might also lead to more cars on the road and further encourage urban sprawl. Samsung okay to test self-driving cars in CaliforniaSamsung Electronics has joined the self-driving car race in California with a permit from the state to test the technology on the home turf of Tesla, Google, and Apple. RoboCar MiniVanRoboCar Minivan, a self-driving Toyota Estima Hybrid car, was introduced in Tokyo, Japan. Driverless carSoutheast Asia's leading ride-hailing firm Grab on September 23 teamed up with a US-based software developer to run a limited public trial of a self-driving car service in Singapore.