China Steel Corp has green-lighted Kiwi-founded LanzaTech's first commercial plant.

It is hard not to be cynical about protests when we are consuming oil here that comes from countries that have no environmental controls whatsoever, writes Sam Judd.

The shale oil boom that pushed US crude production to the highest level in four decades is grinding to a halt.

Shares in Mighty River Power and Meridian Energy have been coming off the boil, but there are few obvious reasons for a recent slump in their stock prices.

Refiners are poised to make gasoline at a record pace, keeping the US crude glut from overflowing storage.

Scientists claim an 'imminent' collapse of the universe will take place sooner than expected, but don't panic - it still has tens of billions of years left.

Many electronic and miscellaneous objects are never fully turned "off," and thus consume power all the time.

Known for their oil fields, refineries, and petrol stations, BP, Royal Dutch Shell and Total are also the world's biggest oil traders.

Solid Energy says it is solvent, but only just, and will need a new deal from its bankers to survive.

A growing consensus is emerging from the likes of BP, the International Energy Agency, shale wildcatters and even the Saudis.

The Dunedin City Council's group debt has dropped by more than $25 million on the back of stronger results by its companies, new figures show.

Japan's push to keep power flowing after it shuttered its nuclear program may best be illustrated by 73 million light bulbs.

In the midst of the price swoon, many executives and workers remain confident the oil-sands industry will pull through.

Mighty River Power's $69 million writedown on two failed geothermal developments overseas is a lesson for Contact Energy, says an analyst.

Kiwi energy company Powershop is expanding its Australian market before targeting Europe and Asia next year.

Meridian Energy has raised its dividend and says it intends to return $625 million of capital to shareholders over the next five years.

Dunedin residents are angry after they lost power for eight hours a week earlier than expected - saying the power company's attitude to the mistake was 'cavalier'.