Supplied by zap map, britain's leading ev charging map, shows that currently one in ten of these rapid devices were out of service. newer versions proving most reliable. within the next few years, westminster say they will penalise charge point operators, or cpos, for not keeping up with reliability standards. and as the affordability of these cars improves, reliability of chargers has now become the biggest roadblock for newer buyers, according to some. the one remaining and biggest thing would be the perceived change and difficulties around the charging infrastructure which is why it is so k...