The Herald rang petrol countries around the Super City to see how prices varied.

One of NZ's smallest fuel providers is slashing 12 cents a litre off fuel for 32 hours.

Spare a thought for motorists on Great Barrier Island and the Chatham Islands.

Motorists are keen on trying to make their money stretch a little further.

These are the most expensive places to buy fuel in New Zealand.

AA calling for a tax reduction to curb prices as 91 octane reaches $2.30 a litre.

Higher levels of competition mean petrol prices are often lower in the North Island.

National leader says the Coalition's policy is exacerbating the problem of rising prices.

Auckland has a bold new transport plan but National is still struggling to come to terms.

COMMENT: BP isn't winning any friends with its pricing strategy but not much Govt can do.

BP's overnight price prices are bigger than Govt's annual fuel tax rises, the PM says.

Aucklanders are being consulted on a fuel tax which has strong backing from councillors.

Labour's plans for two big roads in Auckland may not start for six or seven years.

The Government has not told drivers its new fuel tax will be higher when GST is added.

COMMENT: Congestion pricing, not fuel tax, is the way forward for Auckland.

Gridlock, chaos as station sells petrol for 49c a litre. Source: Facebook / @Roanna Makiri

Some Gull service stations ran out of fuel overnight due to its Christmas discount.

Energy Minister Megan Woods is asked if New Zealanders are being ripped-off with petrol prices.

Government intent on dealing with petrol prices, which it says may be unreasonably high

Gull pricing analyst Rohan Mehta described the mistake as "a bit of an 'oops' moment".

New photos have been released revealing the damage to the Refining NZ pipeline.

Air NZ cutting back on ticket sales as the jet fuel crisis continues.

Petrol companies should not pass on fuel pipe costs to drivers, says AA.

Study finds more than half of Kiwis monitor the price of petrol.

The market expects annual inflation to hit two per cent, for the first time since 2011.

Keep an eye on your local petrol pump. Prices shouldn't be rising soon, thanks to an oil price slump.

Energy Minister Judith Collins says a fuel price inquiry will assess whether New Zealand petrol companies are raking in more profits than international counterparts.

Air New Zealand faces a steep drop in full year profit but says tailwinds including strong tourism and flattening competition will help the company.

A global travel industry leader says air fares may have reached low point and flattening capacity and rising oil prices will see them stabilise.

Energy Minister Judith Collins expects fuel companies will cooperate with report into petrol pricing after concerns about rising fuel margins.