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more fun renewable fuel facts...
Australian jet fuel consumption is about 9,400 ML per annum.
The carbon neutral jet production from CO2, H2O and solar can make 20,000 litres per day from a square kilometre heliostat solar collector. That's 7.3 ML per annum. So to make Australia's jet fuel demand you would need 1,292 square kilometres of solar collection.
According to Google, the biggest solar farm in the world (Shakti Sthala) is 52.5 square kilometres, costing $2.2bn.
If you want to factor in diesel that's another 29,255 ML per annum. While this is completely different solar technology, it puts things in perspective in terms of the challenge of replacing fossil fuels.
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