https://z.co.nz/motorists/fuel-pricing/
"A good chunk of the cost of each litre of fuel you buy is made up of Government taxes and levies"
"we earn a net profit of about 3-6 cents per litre across our network"
https://www.stuff.co.nz/business/112...l-vary-so-much
"The (AA) says about half of a litre of petrol is tax."