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Francis Turner's avatar

"Who would be using the more expensive fossils in place of the cheaper renewables in that first place?"

Weelll Ackshuallyyyyyy....

The other problem renewables have (wind and solar at least, which is what everyone means when they say renewable) is that they are intermittent, unreliable and non-dispatchable. That means if there's a sudden demand for more 'leccy you can't use a wind farm to supply it. So even in a case where rainbow farting unicorns roam the earth and renewables are as cheap as chips you'll want something else to handle the load when 5 million households decide to put the kettle on at half time. You can of course solve that by using massive lithium bombs err batteries or something like Dinorwig. But the latter is hydro and involves dams and concrete and therefore is nasty and the former requires so much lithium it is impossible. So there'll always be a few natural gas plants hanging around to handle the load.

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Quentin Vole's avatar

Even if there were demonstrable effects on earth's global temperature from burning carbon fuels, their costs are probably closer to 60¢/tonne than $60. And most fuel is already more heavily taxed than that - ⅔ of the cost of filling up a car's tank is direct tax (in Europe, at least).

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