Latest from Energy Efficiency and Conservation

'Betrayed': Electric vehicle user shocked after Meridian hikes his overnight power prices by 60%

John Crook feels he's being 'beaten over the head' for trying to save on energy costs.

Craig Stevens: NZ is surrounded by ocean energy. Just what would it take to tap it?

OPINION: New Zealand still has vast untapped ocean power waiting to be harnessed.

Electricity Authority using 2005 costings to measure economic loss of power outages

The Electricity Authority admits the figure may no longer be fit for purpose.

Letters: Fossilised logic, drug wars and winning White Ferns

OPINION: More renewable solar energy is needed, not further reliance on fuel imports.

Richard Prebble: Winston Peters sharpens populist pitch for kingmaker role

OPINION: Winston Peters is on track to decide the next Government.

Middle East war forcing a rethink on aviation fuel resilience

The world's airlines make moves around war; what might replace today's jet fuel carriers?

Diesel dithering: Labour and coalition Govts fail to ensure stockholding

How an unloved plan to store more diesel storage was kicked down the road – until now.

Willis criticised Labour for cost-saving campaign. Now she’s launching her own

She called Labour's money-saving tips 'patronising', while her own are 'common sense'.

Driving in the wrong direction: Why NZ's oil consumption is at a 5-year high

OPINION: Oil now makes up 77% of NZ's fossil-fuel emissions, mostly from transport.