Useful references:

1. Synergy website at:
   www.synergyenergy.com.au
2. Sustainable Energy Development Office website at:
   www1.sedo.energy.wa.gov.au/
3. The Australian Greenhouse Office website at:
   www.greenhouse.gov.au
4. International Energy Agency website at:
   www.iea.org/
5. Research Institute for Sustainable Energy at:
   www.rise.org.au/info/Tech/house/index.html