By the time today’s millennial insurance professionals are its top executives, the U.S. personal auto insurance industry will be a skeleton of its current self. Within 25 years, the private passenger automobile insurance industry will shrink by as much as 60 percent, according to a report by the consulting firm KPMG. That’s the bad news. The good news is it will be smaller because there will be fewer car accidents and fatalities largely thanks to “radically safer” vehicles, according to KPMG in its report, “Marketplace of Change: Automobile Insurance in the Era of Autonomous Vehicles.”