Could diesel made from air help tackle climate change?

Making diesel out of thin air sounds like something from science fiction.

But small companies in Germany and Canada are doing precisely this – capturing carbon dioxide (CO2) and finding ways to sell it.

German company Sunfire produced its first batches of so-called e-diesel in April. Federal Minister of Education and Research, Johanna Wanka, put a few litres in her car, to celebrate.

And the Canadian company Carbon Engineering has just built a pilot plant to suck one to two tonnes of carbon dioxide from the air daily, turning it into 500 litres of diesel.

The process requires electricity, but if the start-ups use renewable electricity they can produce diesel that is carbon neutral.

In other words, burning it in your car only returns to the atmosphere the CO2 removed in the first place.

Read more and source: BBC News http://www.bbc.co.uk/news/business-34064072

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