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.

A power company is handing out free energy-efficient lightbulbs to homes in need.

Qantas will be the first airline to use a bio fuel blend from Australia to the US.

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.

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.

2017 will go down as the beginning of the end of the internal combustion engine.

A new tool allows Aucklanders to work out how much rooftop solar panels could save them.

Vector has been expanding its reach outside electricity and gas distribution.

Elon Musk's solar power systems could be used to restore electricity in Puerto Rico.

Elon Musk promised to build world's biggest battery in 100 days or provide it for free.

Z Energy is investing $250,000 in a Wellington electric car sharing scheme

Refining NZ boss apologises to travellers as they face continued disruption.

Today was the first day with no fuel-related flight cancellations at Auckland Airport.

NZ Windfarms chair Kerr-Newell urges incoming govt to look at market structure.

Fuel pipe being scrutinised to determine what caused flight-disrupting rupture.

Even though the pipeline has been fixed, some fuel grades may still run dry this week.

Rich resources of oil and gas could lie trapped inside volcanoes buried off our coasts.

The coalmine that once fired Greymouth's economy will be broken up and sold by tender.

Flight schedules are returning to normal at Auckland Airport as jet fuel is trucked in.

New photos have been released revealing the damage to the Refining NZ pipeline.

Chorus is going to underwrite its dividend reinvestment programme.