Chicago had a similar problem when they started requiring that taxi's accept credit cards at no extra charge. When someone tried to pay their fare with a credi

Chicago had a similar problem when they started requiring that taxi's accept credit cards at no extra charge. When someone tried to pay their fare with a credit card a cab driver who didn't want to pay the service fee would either say that the machine was broken or "accidentally" overcharge riders. They are moving towards screens in the back seat now though.