Tesla may well stumble because it is trying to do too much too fast, but Musk's vision is sound.
Z Energy is moving away from supermarket docket discounts to instant savings for Fly Buys members.
Rotorua's Ellen Bayliss has resisted attempts to get her to switch power companies, sticking with a retailer she's happy…
Consumer prices rose less than expected in the June quarter as cheaper meat and domestic airfares offset a recovery in petrol…
Combining solar panels and batteries would make homes fully self sufficient, but Powerwalls don't provide capacity to make…
The oil industry is fighting a generation gap.
COMMENT: The number of New Zealand households generating their own electricity from the sun climbed 77 per cent.
Switching power companies has hit a record and new figures show Kiwis could be better off if they change suppliers.
The New Zealand division of British Petroleum more than tripled net profit in 2015.