from the article
[It was] predicated on the rest of the world moving in the same direction and also predicated on a structure that would preserve the international competitiveness of those industries that gave our country a competitive trade advantage, it could do no harm."
He said in a speech to the Melbourne Press Club in July 2007
Howard said: Being among the first movers on carbon trading in this region will bring new opportunities and we intend to grasp them. The Government will examine how to ensure that Australia becomes a carbon trading hub in the Asia-Pacific region. Of course, an emissions trading scheme is only one part of a comprehensive long-term climate change policy framework. There is no magic green bullet. Low-carbon technologies remain the key to an effective response that minimises the costs of limiting emissions.
http://australianpolitics.com/2007/07/17/howard-commits-to-emissions-trading-scheme.html
A blatant lie, or in Howard speak a non core promise.
Peace