Bio-DME

In Europe, DME is used as a substitute propellant for chlorofluorocarbons (CFCs) in spray cans, whereas in Asia it is also blended with LPG (for heating).

Thanks to its low self-ignition temperature and high cetane number, DME is also a suitable diesel engine fuel for use in heavy-duty vehicles such as trucks and buses.

DME cannot be blended with fossil fuel-based diesel and its volumetric energy content is lower - approximately half that of diesel. Diesel engines can be easily retrofitted to run on DME (this is similar to retrofitting a petrol car to run on LPG).

DME is usually made from methanol by combining two methanol molecules to produce a DME molecule and a water molecule. Substituting bio-methanol for methanol produces bio-DME is made. Extensive research by Volvo shows that bio-DME is one of the cleanest fuels.

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