28 October 2025
This is a summary of the talk given by Dr Roderick Carr, the previous New Zealand climate change Commissioner, to Ora Taiao, the group of health professionals concerned about climate change and health.
29 October 2024
It appears to be common knowledge that the petrol with a higher octane rating means more power and better fuel economy. The purpose of this short article is to explain why this is a myth, and why both fuels will work as well in a car designed to run a particular fuel. So, spending extra money on premium fuels when your car's owners manual says 91 is suitable, will not give you better economy or more power.
31 October 2022
In depressing (but expected) news this week, it seems that it's highly unlikely we'll be able to constrain global warming to 1.5C, and that we're on a path of irreversible damage to the climate which may well lead to catastrophic failure of the climate and likely extinction of vast numbers of species including humanity. It may not happen in my lifetime, but I do worry for the future young people today.
4 November 2018
A friend sent me a video the other day about a fuel saving device for your car. The video was quite well done, and like so many videos on FB had no voice over - instead having a soundtrack, along with large subtitles telling the story:
1 November 2008
Readers of the NZ Skeptic may find this a bit hard to believe, but New Zealanders seem to be a fairly sceptical bunch overall (Sunday Star-Times, 11 September).
1 November 1997
I have just visited another universe; it seems a much more interesting place than the dull old world we are forced to inhabit.
1 August 1993
A Sprite in your Spirit, a Bogle in your Benzine, a Fury in your Fuel, a Greyhound in your Gasoline. With acknowledgement to the oil company which, many years ago, urged us to "Put a Tiger in your Tank."
1 August 1993
It may interest skeptics to know that I have solved the world's energy problems. The concept is surprisingly simple... but then works of great brilliance often are.