Find out how much you could save here. Register now by clicking on the orange 'Register now' button on the left. 

Carpooling is a great way to enjoy a sociable commute and tread a little lighter on the planet. And every new registrant is in to win prizes.

Dave drives from Plimmerton to Lower Hutt. The 60km return trip costs $16.02 a day (petrol $2.05, medium sized car). By carpooling with two others, Dave saves $53.40 a week or $2563 a year.

Sarah drives from Churton Park to Wellington and parks for $10. Carpooling with one other person, she saves $41 a week or $1968 a year (petrol $2.05, medium sized car).

Andrea drives from New Brighton to Ilam in Christchurch. Carpooling with one other person, she saves $1025 a year (petrol $2.05, medium sized car)

Have you ever thought about how much money you spend on your way to work just by sitting in the car? The average household spends $125.90 on transport each week.

Use the cost calculator to see how much you can save.