The weekend newspapers are full of Car Hire excess stories and it is not just in the UK. The New Zealand Herald is running a story today - 20th August 2011 "Read the fine print - and understand it" by Diana Clement who is a personal finance writer.
Like the USA it looks like some credit cards covers excess insurance, however according to the report Diana Clement's ASB card, which is underwritten by Southern Cross Travel Insurance (SCTI), provides overseas rental vehicle excess cover, but it wouldn't cover her in New Zealand.
Many of the advertisers on the insurance4carrental.com site cover New Zealand (Click Here), but the situation there looks somewhat complicated even when you take a look at the New Zealand Tourism Guide website.
The insurance4carrental.com site has a useful guide to "Driving in New Zealand" HERE