https://www.reuters.com/article/us-nvidia-selfdriving/nvidia-using-cloud-to-simulate-self-driving-vehicles-covering-billions-of-miles-idUSKBN1H32O9 >Nvidia Corp unveiled on Tuesday a simulator that leverages cloud computing power to test autonomous vehicles, the latest move involving driverless cars that has helped more than double the chipmaker's stock in the past 12 months.