It appears that IOR is calling its unleaded petrol AvPULP.
AvPULP: Paving the Way for A Greener Future - IOR | Fuelling Australia
WWW.IOR.COM.AU
In the 1920s, Thomas Midgley Jr., a 30-year-old industrial chemist, introduced tetraethyllead into motor spirit to combat...
It is possible that a number of users at YSCN will own VH aircraft that have had the conversion to lead free or will take the opportunity to convert.
When one is out in the boonies it is sometimes difficult to get AvGas and it is significantly cheaper to refuel with MOGAS, PULP or AvPULP (choose your poison)