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British engineers produce amazing 'petrol from air' technology - Telegraph

The technology, presented to a London engineering conference this week, removes carbon dioxide from the atmosphere.

The “petrol from air” technology involves taking sodium hydroxide and mixing it with carbon dioxide before "electrolysing" the sodium carbonate that it produces to form pure carbon dioxide.

Hydrogen is then produced by electrolysing water vapour captured with a dehumidifier.

The company, Air Fuel Synthesis, then uses the carbon dioxide and hydrogen to produce methanol which in turn is passed through a gasoline fuel reactor, creating petrol.

and then

Company officials say they had produced five litres of petrol in less than three months from a small refinery in Stockton-on-Tees, Teesside.