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　　The center of American automobile innovation has in the past decade moved 2,000 miles away. It has __26__ from Detroit to Silicon Valley, where self-driving vehicles are coming to life.
　　In a __27__ to take production back to Detroit, Michigan lawmakers have introduced __28__ that 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's __29__ in auto research and development is under attack from several states and countries which desire to __30__ our leadership in transportation. We can't let that happen," says Senator Mike Kowall, the lead __31__ of four bills recently introduced.
　　If all four bills pass as written, they would __32__ a substantial update of Michigan's 2013 law that allowed the testing of self-driving vehicles in limited conditions. Manufacturers 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 up on-demand __33__ of 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. In __34__ , California, home of Silicon Valley, recently proposed far more __35__ rules that would require human drivers be ready to take the wheel, and ban commercial use of self-driving technology.
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