This is nowhere near viable (at least in terms of what is publicly acknowledged), but I thought it was interesting anyway.
Via: Chemistry World:
The dream of producing hydrocarbon fuels from carbon dioxide and sunlight is one step closer thanks to chemists in Europe who have made jet fuel from scratch in a solar reactor for the first time. Although the chemists only produced enough kerosene to fill a glass jar, they believe a full-scale solar concentrator could produce 20,000 litres of jet fuel a day.
2 Responses to “‘Solar’ Jet Fuel Made Out of Thin Air (Average Efficiency of 1.73%)”
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