Norway is leading the world in registrations of new electric and hybrid vehicles

6.1 million energy efficient appliances were sold in the year ending March 2017.

Global oil prices have spiked after a year of steady increases and NZ motorists are paying

Shares slip in thin holiday trades as appetite decline companies offerings.

Fights brew over Korean washing machines, Spanish olives and Chinese aluminum foil.

Fuel disruption affecting some service stations should be resolved in time for Christmas.

Greens told that an indefinite moratorium on new coal, oil and fracking would cost $15b.

At least three petrol stations ran dry of diesel this afternoon.

The package will benefit 384,000 families with children by an average of $75 a week.

Dame Jenny Shipley is bridging the gap between politics and business.

Is it a dinosaur, or is it a duck? Meet the raptor's waddling, swimming, killer cousin.

Briefings: NZ needs to take hold of "window of opportunity" created by Paris Agreement.

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

The price was well over the threshold inviting Government scrutiny, says the AA.

Texas oil giant Anadarko is pulling out of New Zealand as exploration hits the doldrums

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

Every one of the 90,000 LED lights going on the bridge can be individually programmed.

Almost 100,000 LED lights and 200 floodlights will create a new nighttime face for bridge.

Petrol prices have taken a hike around the country, but some places have fared better.

Electricity prices suggest the transmission network is in need of review.

Government will hold inquiry into retail power prices, which it says are high.

Forget unplugging the TV, billionaires have a different plan to solve our energy crisis.

We look at 10 of the most exciting new science projects just awarded Marsden Fund grants.

Vector is introducing artificial intelligence systems to manage Auckland's power.

The new Government will investigate solar panels to cut school power bills by $20m a year.

New government's 100 per cent renewable power generation by 2035 doable, says expert.

Climate change action has emerged a winner in just-signed coalition deals.

Geomagnetic storms could be corroding underground pipes, researchers say.

What could a change of government mean for New Zealand's environment and science sectors?

Mercury has been a beneficiary from the wet weather in the North Island.