New Zealand shares fell following oil-driven weakness in US and European markets, with Nuplex Industries and Sky Network Television while Air New Zealand rose.

Oil prices have hit record lows - and expect them to go lower.

BHP Billiton will write down the value of its US shale assets by NZ$11.19 billion amid collapsing oil and gas prices.

Oil prices have hit a new 11-year low, adding weight to calls for more cuts in the Reserve Bank's official cash rate.

Oil prices rose on the last day of the year but fell as much as 35 per cent for 2015 after a race to pump by Middle East crude producers.

Figuring out a price tag for some of the world's biggest and rarest diamonds can be as difficult as finding them.

Maui natural gas pipeline has been sold to First State Investments.

The petrol pump war has moved up a gear with Z petrol stations entering the fray and slashing prices.

As the Prime Minister said, "It makes no sense to be calling for emissions restrictions on one hand while subsidising emissions on the other."

Fight over who pays for the clean-up of a heavily contaminated area of Auckland's Wynyard Quarter will go all the way to the Supreme Court.

Oil may be king of the commodities, but its physical form is tough to come by.

The 46 countries that have at least one sovereign wealth fund have largely set them up for a rainy day.

The Auckland Council intends to hold a debate and a vote on whether to oppose exploratory oil drilling in an area of seabed off the west coast.

Be fearful when others are greedy and greedy when others are fearful - so goes the advice of investment sage Warren Buffett.

Oceana Gold is predicted to boost gold production 30 per cent to 40 per cent by 2017.

At Bergen harbour, there's a forlorn look about the oil service ships tied up bow to stern.

Mobil is taking its $10m tank farm pollution fight all the way to the Supreme Court.

Coalminer Bathurst Resources has posted a net loss of $16.4 million after tax for the year to June 30, 2015, compared to $189.9 million the previous year.

The oil and gas sector is heading into one of the quietest summers for years, with permits surrendered and smaller players gobbled up by bigger companies.

An oil company with an exploration licence off Northland has been accused by Greenpeace of trying to secretly get onside with iwi leaders.

Russia's energy pivot toward Asia faces its sternest test next month when Vladimir Putin visits Beijing amid slumping oil prices and concerns over China's economic slowdown.

Publicly-owned Waterfront Auckland has won $10m from oil giant Mobil to pay for a cleanup of part of the Wynyard Quarter.

New Zealand Oil & Gas says exploration drilling of the Barque prospect in the Canterbury Basin, which has the potential to be the nation's biggest-ever hydrocarbon discovery, is expected to start in 2017.

A collapse in iron ore and coal prices has exposed Australia's true vulnerability.

Iran, once OPEC's second-biggest producer, will boost its oil exports by 500,000 barrels a day immediately after sanctions are lifted

Up to 60 mining jobs have been promised with the start up of two new goldmining operations near Hokitika and Kumara.

Never mind cutting output to staunch a global glut - the talk so far is mostly about pumping more oil.

NZ's largest and longest-producing offshore oil and gas field, Maui, has gained marine resource consents allowing it to operate for up to 35 years more,