I know it is a rather clickbaity title, and not NZ-related, but Technology Connections gives a very well-researched and excellent explanation of the how's and why's of hybrid drivetrains, particularly the Toyota eCVT.
>The tests were conducted by veteran motoring journalist Donn Anderson, who has more than 30 years of experience in fuel economy events, including record-setting runs in New Zealand and the United Kingdom.
>“While the average driver may not achieve these outstanding driving ranges on a tank of fuel, it does demonstrate how remarkably economical the vehicle can be when driven moderately and with care,” said Anderson.