Following a slew of promises, taxis are finally preparing to carry passengers. But don’t expect a Blade Runner skyline anytime soon. The first limited commercial services could start this year, most likely with California-based Joby Aviation, though it remains unclear whether the debut will come in Dubai or the U.S. Either location will mark a milestone for urban air mobility—but the revolution will unfold one carefully certified flight at a time.
In 2016, Uber Elevate…

