There's been a lot of hype about the most recent resurgence of hydrogen fuel.
Australia already has vast renewable energy production capabilities and if this is combined with hydrogen manufacturing, we could see massive export revenue.
Basically, Australia could become a world leader in environmentally friendly fuel production and it could make us a tonne of cash.
And it's beginning to take off...
"We have a massive opportunity given Australia's huge renewable energy source to produce hydrogen from solar and wind ...and export it to the rest of the world," Director of the Energy Change Institute at the Australian National University Professor Ken Baldwin said.
"At the moment is it receiving a bit of a resurgence indeed we have an opportunity now because there is an increasing demand and interest from countries around hydrogen to make this an opportunity for Australia exports."
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