Save on your fuel


Want a fuel partner that backs NZ business by driving value at the pump?
Get 12c off every litre for three months with Z Business*. Sign up, fuel up and save big at Z, Caltex and Challenge. Vroom!

Sign up now for Z Business using promo code CHAMBERNTH

Already have a Z Business fuel card?

Just stop by and use your Z Business fuel card to get 12c off every litre until Sunday 8 October!

* Sign up for a Z Business account using promo code CHAMBERNTH by Sunday 3, September 2023. The 12 cents per litre discount will be applied to all fuel grades purchased using your Z Business fuel card from Z, Caltex or Challenge service stations and truck stops for 3 months after the date of account opening. Terms and conditions apply. See