KNOXVILLE, Tenn. — One spot on I-40 West, off Lovell Road, can be a nightmare for drivers during rainstorms. Water tends to overflow in the area, puddling and causing some cars to risk hydroplaning.

Jon covers artificial intelligence. He previously led CNET's home energy and utilities category, with a focus on energy-saving advice, thermostats, and heating and cooling. Jon has more than a decade ...