Plunging oil prices have forced explorers to scale back plans in New Zealand, some have had to restructure and there could be a sharp decline in capital spending in a sector the Government has backed....

Petrol prices have fallen again today, with 91 Octane up to four cents cheaper at major retailers than it was yesterday.

Australia's coal seam gas extraction industry is set for a bumper year in 2015, but the petroleum exploration sector isn't.

Petrol prices fell again today and more discounts are expected in days ahead.

Airfares should fall to reflect plummeting oil and jet fuel prices but airlines are stalling when it comes to delivering cheaper fares, consumer advocates say.

It has become standard for tough questions to be asked of oil companies when the price of petrol rises or falls dramatically.

Kiwis should have more disposable cash as petrol prices fall around the country, but consumer groups say the amount we fork out at the pumps should be lower still.

Exceptionally low oil prices have thrown world financial markets a curve ball by driving bond yields sharply lower and undermining share prices.

In dramatic terms 2014 ended with several big business and economic stories on cliff- hangers.

Petrol prices dropped for the 12th successive time this week and even better news appears to lie ahead for holiday motorists.

Russia's ruble was tanking on Tuesday faster than journalists could type, hitting levels against the dollar that were unimaginable even a week ago.

The sharp fall in oil prices is set to continue benefiting consumers but could delay exploration projects around New Zealand.

The dynamic of the new oil shock is moving fast - maybe too fast for the fragile global economic recovery, writes Liam Dann.

The collapsing oil price that is reshaping the global economy could derail the green energy revolution by making renewable power sources prohibitively bad value.

The sharp decline in oil and dairy prices could have a huge impact on the domestic economy as the former is our largest import item and the latter our biggest export earner.

Activists say they shut the Wellington offices of an oil company this morning to protest deep sea oil exploration.

Russia's economic crisis deepened as the Govt acknowledged it's heading for recession and "panic" crept into the financial system as oil prices plunged.

Z Energy is the latest company to jump on the big data trend, doing a deal with analytics company 11 Ants Analytics to help the service station firm better understand customer preferences and buying....

Billionaire wildcatter Harold Hamm, a founding father of the United States shale oil boom whose fortune has fallen by more than half in the past three months, says US drilling will slow as producers....

The world is in the grip of a new oil shock. The shock is that prices are collapsing. Liam Dann explains what it means for the NZ economy.

Falling oil prices have been one of the biggest stories in financial circles over recent weeks.

Plunging oil prices are saving airlines US$7 billion ($8.9 billion) this year on jet fuel - and the leader of one of the big three airline alliances says this is helping profitability in an industry....

New Zealand shares fell yesterday, paced by Meridian Energy, Contact Energy and Mighty River Power as some investors looked to crystallise recent gains.

Gull has issued a warning to its petrol stations not to dock workers' pay when customers drive off without paying.

Z Energy reported a 13pc decline in first-half earnings after it made top-up payments to the Marsden oil refinery.

A company has been fined after associates of the firm traded shares of Z Energy and other companies during the holding period following IPO's.

Z Energy boss Mike Bennetts says the return of $2 a litre petrol could be on the cards if oil prices continue to plummet.