HYDROGEN ENERGY: PAST, PRESENT AND FUTURE   BARBARA HARDY - AO, BSc, DUniv (Flinders)  
I have been extremely interested in energy, its sources, production and distribution, ever since I returned to university in 1974 to study the earth sciences.  The study of geology led me to understand that the major energy source upon which our current civilization is based, i.e. hydrocarbon resources – coal, oil, natural gas and their derivatives, the non-renewable resources – is finite.  Hence, petrol might not always come out of the bowser at the service station into my vehicle – a stunning thought for a then 47-year-old science-interested female.
What could replace hydrocarbons?
 
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