▁▁ ▁The ▁company ▁changed ▁throughout ▁the ▁ 1 9 9 0 s , ▁increasing ▁its ▁Australian ▁market ▁share ▁from ▁ 2 1   percent ▁in ▁ 1 9 9 1 ▁to ▁ 2 8 . 2   percent ▁in ▁ 1 9 9 9 . ▁Besides ▁manufact uring ▁Australia ' s ▁best ▁s elling ▁car , ▁which ▁was ▁export ed ▁in ▁significant ▁numbers , ▁Hold en ▁continued ▁to ▁export ▁many ▁locally ▁produced ▁engines ▁to ▁power ▁cars ▁made ▁elsewhere . ▁In ▁this ▁de cade , ▁Hold en ▁adopted ▁a ▁strategy ▁of ▁importing ▁cars ▁it ▁needed ▁to ▁offer ▁a ▁full ▁range ▁of ▁compet itive ▁vehicles . ▁During ▁ 1 9 9 8 , ▁General ▁Mot ors - Hold en ' s ▁Ltd ▁name ▁was ▁short ened ▁to ▁" Hold en ▁Ltd ". ▁ ▁On ▁ 2 6 ▁April ▁ 1 9 9 0 , ▁G M ' s ▁New ▁Zealand ▁subs idi ary ▁Hold en ▁New ▁Zealand ▁announced ▁that ▁production ▁at ▁the ▁assembly ▁plant ▁based ▁in ▁Tr ent ham ▁would ▁be ▁ph ased ▁out ▁and ▁vehicles ▁would ▁be ▁imported ▁duty - free — this ▁came ▁after ▁the ▁ 1 9 8 4 ▁closure ▁of ▁the ▁Pet one ▁assembly ▁line ▁due ▁to ▁low ▁output ▁volumes . ▁During ▁the ▁ 1 9 9 0 s , ▁Hold en , ▁other ▁Australian ▁autom akers ▁and ▁trade ▁un ions ▁press ured ▁the ▁Australian ▁Government ▁to ▁halt ▁the ▁lower ing ▁of ▁car ▁import ▁tar iffs . ▁By ▁ 1 9 9 7 , ▁the ▁federal ▁government ▁had ▁already ▁cut ▁tar