The AA is advising motorists to shop around for petrol as more oil-producing nations slash production.

The New Zealand dollar gained along with other commodity-linked currencies.

Billing disputes are the main issue for utility customers but the number of those complaining about disconnections is growing.

Fewer than half of councils have enough staff trained to respond to marine oil spills.

The head of Genesis Energy wants to move his company to being an integrated energy management business but says this could expose it to overseas competition.

A deal to cut oil production overseas is expected to make the summer road trip more expensive.

The New Zealand dollar was little changed against the greenback ahead of US non-farm payrolls tonight.

The New Zealand dollar fell below 71 US cents after stronger-than-expected private payrolls.

WATCH: Meet the finalists of this year's Deloitte Top 200 Company of the Year Award.

Genesis Energy will buy New Zealand Oil & Gas's stake in the Kupe gas and oil field for $168 million.

Profit rose to $82 million in the six months ended September 30, from $67m a year earlier.

Japanese lawmakers are revisiting a plan to build a $6.7 billion natural gas pipeline from Russia ahead of a visit by President Vladimir Putin.

BP decreased oil prices across New Zealand today with 3 cents per litre from both diesel and petrol.

Two years into a price slump that has forced oil companies to delay projects, there are few signs of respite.

Lower oil prices, increased carbon costs and a "below market" contract with Tiwai Point will weigh on Genesis Energy's earnings.

Norway's Statoil has abandoned its hunt for oil off Northland after finding no traces hydrocarbons.

Contact Energy's near-term focus was reducing debt, to ensure it maintains its investment grade status from credit rating agency Standard & Poor's.

BP has spilled hundreds of barrels of oil in the North Sea, in a leak from its Clair platform.

Seabed mining is back in the spotlight as Trans Tasman Resources submits second application for consent to mine off the South Taranaki coast.

A company founded in New Zealand has produced large quantities of biofuel from industrial waste gases for Virgin Atlantic in what is being hailed as a breakthrough for low carbon fuel.

An oil glut is predicted into 2017 as supply outpaces demand with U.S. stocks slipping

Wall Street dropped with the price of oil after reports from OPEC and IEA showed the global glut won't abate any time soon.

Oil jumped before giving up some of the gains as a deal between key producers Saudia Arabia and Russia stopped short of offering an actual limit on output.

Falling demand - not an oil shortage - will create the energy industry's next revolution.

The Government is defending its oil exploration programme against claims that it is dying.

The cash-poor state can do only so much to shore up its sinking coasts.

Oil has been on a bull run after months in the doldrums, pushing up prices at the pump.

Motorists face higher costs as petrol edges up in response to higher global oil prices although prices could fall quickly due to weak demand.

Opus International Consultants sank into the red in the first half after writing down the value of its Australian and Canadian businesses.

Wall Street's losses were mitigated by continued gains in oil prices, the Nasdaq inched up for second record high.