Greg Hunt is confident about new technology. This is it. He claims it will make brown coal as clean as black coal!!! First tinkerings by Germans, as long ago as WW1. Mega $ here at time of 70’s oil crisis, produced single cylinder, 16kW, 4 litre prototype, dug out of a shed in Newcastle to get us all excited. Private sector scammers, to develop DICE, “needed” big coal fields, now large open cut disasters in Hunter Valley sold off for big quids. Energy consultant Bruce Mountain questions…‘It doesn’t appear to be cheaper than modern black coal. It may be cheaper than large scale gas if gas prices turn out to be higher but so what? Wind and solar and customer demand shifting is a lot less expensive than that.’
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groundswell bass coast climate change renewable energy 
Greg Hunt has no credibility. He sold out any he may have possessed years ago.