Not a single drink driver was sentenced by Rotorua courts to have an alcohol interlock device fitted to a car in two years, a situation the Automobile Association describes as embarrassing.
But one Rotorua woman, whose daughter was killed by a recidivist drink driver, says the devices are flawed and may not prevent drink driving anyway.
Interlock devices prevent a drunk driver starting the vehicle. Offenders convicted of repeat drink driving offences or an excessively high blood or breath alcohol concentration can be given an alcohol interlock sentence. They can then apply for an alcohol interlock licence and have an interlock installed. Such drivers must blow into the device - recording a breath alcohol level of zero - before their car will start.
Sonia Wilson, whose 23-year-old daughter Whittney Robertson was killed by a repeat drink driver in May 2009, said the devices were "only as good as the user".
"The biggest flaw is that many recidivist drink drivers don't 'own' a car.