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  • Joel Dignam: This sounds like a terrific idea. Almost too sensible to think it comes from such a place, but hey. I don't know about potential costs, but there are vast benefits, as Peter Wood points out. (26 June 2008)
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  • Peter Wood: Manufacturing aluminium from bauxite requires huge amounts of electricity and is a significant contributer to Australia's greenhouse gas emissions. It uses much less energy to recycle the... (24 June 2008)
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  • Scott Bulfin: This is an interesting idea, Mr Wood. Do you have any projections of what such a scheme might cost when you factor in the savings and flow on effects of the recycled materials? An estimated 12... (18 June 2008)
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