I found this article from CT that you might be interested in: http://www.canberratimes.com.au/business/carbon-economy/transport-turning-its-back-on-oil-study-finds-20121008-278a2.html Antony Barry Ph:+61 2 6241 7659 Mob:+61 4 3365 2400 Skype: antonybbarry antonybbarry at me.com http://tony-barry.emu.id.au