It is claimed that Abraham Lincoln once said, ‘You can fool all the people some of the time and some of the people all the time, but you cannot fool all the people all the time.’

Now, whether or not Honest Abe actually uttered the words is moot, however they are a perfect descriptor of the behaviour of Australia’s cadre of renewable energy pushers.

For years the renewables lobby has been saying that there is nothing to fear from switching to renewables and that they are the cheapest source of energy around; just ask the new Minister for Climate Change and Energy,...