Audi creates diesel from water and carbon dioxide

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Audi is claiming a revolutionary step towards carbon-neutral cars after creating a new type of diesel from water and carbon dioxide.

Using renewable energy sources such as wind, wave and solar power the water is split into oxygen and hydrogen. The hydrogen is then mixed with carbon monoxide, harvested from carbon dioxide in the atmosphere, and under high pressure and temperatures the two react to create crude.

This can then be refined and mixed with conventional diesel or used on its own. According to tests it is also more efficient than conventional diesel, with 70 per cent of its stored energy available.