Comparable figures are provided for the first time on emissions of greenhouse gases from the Australian transport sector in 1900 and 2000. Greenhouse emissions from the transport sector increased ten-fold twentieth century, but Australia's population has increased five-fold, and real GDP 23 times, while urban densities are now only about one third of those in 1900. Within the limits of long-term historical comparisons, it is concluded that use of the internal combustion engine itself has not contributed disproportionately to greenhouse emissions in the transport sector. However, electric vehicles would have been better. This paper was authored by Dr Leo Dobes.

• Greenhouse Gas Emissions in Australian Transport 1900 and 2000
  

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