A deal to cut oil production overseas is expected to make the summer road trip more expensive.

The New Zealand dollar was little changed against the greenback ahead of US non-farm payrolls tonight.

A small band of protesters stood outside Fonterra's headquarters in downtown Auckland today to demonstrate against the co-operative's extensive use of coal.

Tired of paying individual household bills? This could be a game changer.

The New Zealand dollar fell below 71 US cents after stronger-than-expected private payrolls.

Elon Musk, the man behind Tesla and SpaceX, has made a lot of enemies during his time in business.

A small island in American Samoa is making the switch from diesel generators to 100 per cent renewable energy.

WATCH: Meet the finalists of this year's Deloitte Top 200 Company of the Year Award.

Santa is not coming to Dunedin-based lines company Delta this year after chief executive Grady Cameron cancelled end-of-year function.

Scientists at the Scion Research Institute in Rotorua have developed a way to use sawdust to produce biofuel for the transportation sector. Made with funding from NZ On Air.

The Model S starts from $109,300 while the Model X starts from $145,200. Depending on the engine, the vehicles can cost almost $225,000.

Tesla Motors Inc. and SolarCity Corp. shareholders approved the electric-car maker's purchase of the solar installer in a deal that's

Finding a remedy for high energy use is creating healthy connections between staff at Wellington's Capital Coast District Health Board. The

COMMENT: The matter of international climate change - the most important energy-related issue facing us today.

Genesis Energy will buy New Zealand Oil & Gas's stake in the Kupe gas and oil field for $168 million.

What you need to know about the earthquake and tsunami and what people in the above coastal areas should do.

Need a little more spring to your step? Here's how to boost your energy simply by making smarter food choices.

Family and friends of the Pike River 29 are protesting at the gates near the ill-fated West Coast mine in one final attempt to stop it from being sealed.

The President Elect Donald Trump bodes well for farms and coal mines, but trade deals will be left in peril.

Trustpower spun out its Australian windfarms into a separately listed company, Tilt Renewables, on October 31.

Circle_see_more_DP.epsHAKA: Many people gathered to send prayers to Standing Rock in North Dakota down at the Rotorua Lake Front

Solid Energy New Zealand's creditors will get as much as 55 cents in the dollar after the failed state-owned enterprise's mines were sold to three parties.

Two years into a price slump that has forced oil companies to delay projects, there are few signs of respite.

Meridian chief executive Mark Binns says he wants to see the Tiwai Point aluminium smelter stay, "but not at any cost".

A brand new factory commissioned in 2000 gave Millennium Plastics the high tech edge but an energy audit less than a decade later

Solid Energy yesterday said the firm was "still in multiple discussions/negotiations and it would be inappropriate to make any further comment".

Prime Minister John Key has finally made it to India after a plane breakdown shortened his trip.

Kiwis keen to shape up for summer are spending up to $99 a day on detox programmes, but experts warn there is little evidence they work.

Vector has opened a big Tesla battery storage bank in Auckland which it says will help defer costly building of less flexible infrastructure.

The Electricity Authority is to undertake another round of submissions on its politically charged proposals.