9 0 ▁display ▁train , ▁and ▁the ▁Tele com ▁New ▁Zealand ▁trains ▁were ▁ref itted ▁to ▁match , ▁with ▁new ▁ 9 0   k W ▁gener ators ▁for ▁increased ▁facilities ▁on ▁board . ▁In ▁ 1 9 9 4 , ▁the ▁second ▁of ▁the ▁two ▁Bay ▁Express ▁v ans ▁and ▁an ▁A uck land ▁sub urban ▁van ▁were ▁similarly ▁fitted , ▁while ▁in ▁ 1 9 9 7 , ▁one ▁of ▁the ▁first ▁two ▁mod ular ▁Nor ther ner ▁power / b agg age ▁v ans ▁returned , ▁but ▁with ▁a ▁ 9 0   k W ▁generator . ▁ ▁No ▁fr ills ▁cars ▁A ▁new ▁" no - fr ills " ▁concept ▁was ▁introduced , ▁offering ▁che aper ▁far es ▁and ▁using ▁six ▁former ▁Nor ther ner ▁cars , ▁and ▁later ▁still , ▁a ▁Sou ther ner ▁car ▁and ▁two ▁ref itted ▁A uck land ▁exc urs ion ▁fleet ▁cars ▁at ▁different ▁times , ▁as , ▁progress ively , ▁the ▁Nor ther ner ▁stock ▁were ▁re built ▁or ▁with dra wn . ▁In ▁ 1 9 9 9 , ▁the ▁former ▁Sou ther ner ▁carriage ▁and ▁the ▁two ▁ex - ex c urs ion ▁fleet ▁carri ages ▁were ▁air - condition ed . ▁ ▁More ▁recently , ▁the ▁ 1 9 9 7 - ref itted ▁Bay ▁Express ▁ser very / observ ation / re ar view ▁carriage ▁and ▁its ▁two ▁" new " ▁running ▁m ates , ▁ref itted ▁ 1 9 9 5 , ▁were ▁added ▁when ▁the ▁Nap