From left: Ald. Daniel La Spata (1), Ald. Howard Brookins (21) and Ald. Walter Burnett (27) join representatives of Lime, Bird and Spin spoke during a Tuesday morning news conference touting an ordinance to legalize e-scooters. [Lime]

More than two years of tests, debates and handwringing over the safety and viability of e-scooters in Chicago are set to culminate Wednesday as the City Council weighs making the devices a permanent fixture of the city’s transportation network.