AUSTRALIA: VASA, the Australian association of vehicle air conditioning engineers, is holding two free seminars on the R134a replacement refrigerant R1234yf.

The hour-long information sessions will take place at 10.30 and 14.30 on Saturday April 8 at the Australian Automotive Aftermarket Expo at the Melbourne Convention and Exhibition Centre.

Topics covered will include the history and evolution of automotive refrigerants, the drivers of change including ozone depletion and global warming potential, how industry has responded to overseas legislation controlling HFCs, a comparison of current and new refrigerant characteristics including flammability, changes to equipment, components and working procedures brought about by new refrigerants and the related standards, licensing and legislation.