As Kiwis continue to wince at the petrol pump, Labour has swooped in, but some say the maths doesn't add up.

Analysis - Economists say Labour appears to have underestimated its $65m pricetag, and National's claim the policy could cost as much as $1.6b is "utter nonsense".

Even some Eastbourne commuters say subsidised public transport policy should not cover them.

As Kiwis continue to wince at the petrol pump, Labour has swooped in, but some say the maths doesn't add up.