GER: Audi makes fuel from water and air
Imagine a world where everyone has access to limitless supply of fuel to power the world and the economy. That would be the holy grail of any research company. Now imagine an automotive giant cracking that impossible dream. Audi claims to have done it in partnership with a German clean tech company, Sunfire. The process uses just carbon dioxide captured directly through the air. The company claims to be able to recycle this byproduct of fossil fuels to make a more efficient fuel.
Named 'e-diesel', the synthetic fuel doesn't contain any sulphur or other contaminants. According to the researchers, the engine is able to run smoother and quieter because of that while creating less pollutants.
Produced in just a few steps, the researchers first heat up steam to very high temperatures to break it down into its elemental form of oxygen and hydrogen. This is achieved by super heating water to 800 degrees Celsius. This process has no impact on the environment as the energy used is derived from solar and wind power. Audi claims this method is more efficient than conventional techniques.
The hydrogen is then mixed with carbon dioxide at high pressure and temperature to create the raw material named 'blue crude'. This 'blue crude' is then refined into fuels in the same way as conventional fossil fuels.
Audi says the plant will be able to produce more than 3,000 litres of 'e-diesel' a day in the coming months. They are also aiming to keep the price low between S$1.45 to S$1.8 per litre before taxes.
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