LNG is the clean energy game changer AUSTRALIAN engineer Cris Moreno is only 33, but soon he will be part of history. In waters 500km north of Broome, Moreno will be aboard Shell's hulking Prelude floating barge to flick the switch and usher in a whole new way of extracting natural gas from beneath the sea floor. No date has been given for the launch of the massive $12 billion steel structure, off the West Australian coast, but expectations are that it will be next year with gas production to begin in 2016 or 2017.