There are some. Most machines only accept a bank-card, not cash. There has even been a debate about it in parliament because psychiatric patients and refugees d

There are some. Most machines only accept a bank-card, not cash. There has even been a debate about it in parliament because psychiatric patients and refugees don't have a bank account. See: http://www.omroepwest.nl/nieuws/17-03-2013/ov-chipkaart-opladen-met-muntgeld http://www.omroepwest.nl/nieuws/17-03-2013/ov-chipkaart-opla...