Car tracking news from New Zealand:
Motorists face being taxed on how far they travel under government plans to generate cash.
Transport Minister Paul Swain said with vehicles becoming more fuel efficient, revenue from petrol tax would drop and alternative charges needed to be considered.
It is one of a number of transport schemes being looked at by officials, including a Big Brother-style project to equip every car with a personalised microchip so law-breaking motorists can be prosecuted by computer.
And Declan McCullagh offers a different angle on the same technology.
