Home Business Uber, Didi slam Mexico City's new rules on ride-hailing, including cash ban Business Uber, Didi slam Mexico City's new rules on ride-hailing, including cash ban By Genpie - April 26, 2019 188 0 Facebook Twitter Google+ Pinterest WhatsApp Uber, Didi Chuxing and other ride-hailing firms on Thursday criticized a host of new regulations of the sector in Mexico’s capital city, which include a ban on cash fares that could exclude many potential customers who lack bank accounts.