Audi produces first batch of e-diesel

Audi is proud to announce they have successfully produced the first batch of e-diesel. It was manufactured at the company’s pilot plant in Dresden following a commissioning phase of four months. The first batches were produced only a few days ago and the first five liters of e-diesel were installed in an Audi A8 3.0 TDI clean diesel quattro belonging to Prof. Dr. Johanna Wanka, Minister of Research in Germany.

E-diesel is a synthetic type of diesel made using CO2 supplied by a biogas facility. A portion of the necessary CO2 is extracted from the ambient air directly by air capturing, a technology developed by Audi’s partner Climeworks. The first step for creating e-diesel is to heat up water up to form steam to break it down into hydrogen and oxygen through high-temperature electrolysis. After that, hydrogen reacts with the CO2 in synthesis reactors under pressure at high temperature and the reaction product is a liquid produced from a long-chain hydrocarbon compounds referred to as blue crude.

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This blue crude can be refined to yield the end product Audi e-diesel and this synthetic fuel is actually free from aromatic hydrocarbons and sulfur while the high cetane number means it’s readily ignitable.

Adrian Padeanu

Long-time fan of the fabled Four Rings.