The center of American automobile innovation has in the past decade moved 2,000 miles away. It has26from Detroit to Silicon Valley, where self-driving vehicles are coming into life.In a27to take production back to Detroit, Michigan lawmakers have introduced28that could make their state the best place in the country, if not the world, to develop self-driving vehicles and put them on the road.“Michigan’s29in auto research and development is under attack from several states and countries which desire to30our leadership in transportation. We can’t let happen,” says Senator Mike Kowall, the lead31of four bills recently introduced.If all four bills pass as written, they would32a substantial update of Michigan’s 2013 law that allowed the testing of self-driving vehicles in limited conditions.Manufacturer would have nearly total freedom to test their self-driving technology on public roads. They would be allowed to send groups of self-driving cars on cross-state road trips, and even set on-demand33of self-driving cars, like the one General Motors and Lyft are building.Lawmakers in Michigan clearly want to make the state ready for the commercial application of self-driving technology. In34,California, home of Silicon Valley,recently proposed far more35rules that would require human drivers be ready to take the wheel, and commercial use of self-driving technology.A) bidB)contrastC)deputyD)dominanceE) fleetsF) knotsG) legislationH) migratedI)replaceJ) representk) restrictiveL) rewardM) significantN)sponsorO) transmitted