Successful Bio-DME field tests point to a cleaner transport system

Volvo Trucks has announced it is running successful field tests with vehicles powered by bio-DME, a fuel that can be produced cost- and energy-efficiently from biomass. Since last autumn, ten specially adapted Volvo trucks have been operating on Swedish roads using the fuel which reduces carbon emissions by 95 per cent compared with conventional diesel. The field tests have now reached the halfway point and the results so far have both met, and exceeded, expectations.
June 4, 2012 Read time: 3 mins

5874 Volvo Trucks has announced it is running successful field tests with vehicles powered by bio-DME, a fuel that can be produced cost- and energy-efficiently from biomass. Since last autumn, ten specially adapted Volvo trucks have been operating on Swedish roads using the fuel which reduces carbon emissions by 95 per cent compared with conventional diesel. The field tests have now reached the halfway point and the results so far have both met, and exceeded, expectations.

“We have, for example, demonstrated both that the technology works in practice, when it comes to both the production of fuel and trucks in traffic, and that the infrastructure with filling stations in different parts of Sweden works effectively. The test results bode well for the future,” says Lars Mårtensson, environmental director at Volvo Trucks.

The field tests, which are being conducted in collaboration with companies including 5875 Preem, the biggest oil company in Sweden and Chemrec, the Swedish company which is responsible for fuel production, has aroused interested worldwide – an unexpected bonus, according to Mårtensson.

“We have shown that it’s possible to take an idea from the laboratory to full-scale operation and we have also successfully spread this knowledge all over the world. There is now a clear-cut interest from countries including China, Russia and the USA and they are markets with huge potential,” he says.

Bio-DME, dimethyl ether produced from biomass, is a liquid, so-called second-generation biofuel that can be made from wood or by-products and waste from agricultural production.

“According to the calculations, bio-DME could replace up to 50 per cent of the diesel that is currently being consumed by commercial vehicles in Europe within the next 20 years. We have a chance to make a fantastic contribution to help the environment,” says Mårtensson.

The bio-DME that is being used in the Volvo Trucks field tests is made from black liquor, a by-product from the production of pulp. The black liquor is actually used in the flow of energy that powers the pulp mill. Chemrec’s process takes part of the black liquor, gasifies it and turns it into usable fuel which can currently, during the on-going field tests, be obtained at four filling stations in different parts of Sweden.

To date, the drivers who are operating the trucks in the field tests have reported that filling up with biofuel and driving is no more complicated in any way and nor is there a disadvantage in terms of vehicle performance against conventional trucks. Indeed, Yngve Holm a test driver who is transporting pulpwood in northern Sweden in a DME-adapted Volvo FH-440, has also reported a number of advantages. “I can drive about 650 kilometres on one tank and the truck runs just as well as it does on any other fuel. It is actually much quieter, both internally and externally,” says Yngve.

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