What would it take for you to give up your car? An all-access pass to a bicycle, maybe, plus some safe lanes to ride it in? A smartphone, stocked with apps for cheap ride-hail services? A competent public transit system? A chauffeur, willing to drive you around instead? Lyft, the ride-hail company that has always said that its goal is to get more Americans out of their personal cars, would like to find out.