Nearly two months after the Ontario government launched its pilot program for testing autonomous vehicles, speakers at the P&C Insurance Technology Conference suggested that driverless cars and other innovations could significantly change the auto insurance model."Clearly you are seeing some manufacturers step up and say that they will assume liability for when the car is in autonomous mode," said Karim Hirji, senior vice president of international and ventures at Intact Insurance. But how manufacturers insure against their liability, Hirji suggested, has yet to be determined.