Volkswagen looks to clean up emissions

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Volkswagen looks to clean up emissions

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To curb the emission of fine soot particles from its TSI and TSFI direct injection petrol engines, the Volkswagen Group has decided to incorporate particulate filters as standard features for the units. Roll out is scheduled to begin from June next year, the Group anticipating that the number of models equipped with the filters could reach seven million annually by 2022.

In a statement, a company spokesman said the addition of Gasoline Particulate Filters (GPFs) was expected to reduce fine soot emissions from the engines by up to 90%.

The initial units to receive the filters would be the 1,4-litre TSI plant fitted to the new Tiguan and the 2,0-litre TFSI engine fitted to the Audi A5. Implementation would follow in other models and engine generations.

“Particulate filters for diesel engines are already proven and established,” said Ulrich Eichhorn, head of Group Research and Development at Volkswagen. “Following increases in efficiency and lower CO2 output, we are now looking to bring about a sustained reduction in the emission levels of our modern petrol engines by fitting GPFs as standard features.”

The German manufacturer, caught in a global diesel emissions scandal, had also revised its emissions technology for oilburners. According to Eichhorn, complex exhaust gas treatment systems would be fitted to diesel-powered models.

“Volkswagen is determined to reduce pollutant emissions from diesel vehicles,” he says. “In future, all diesel driven models will be equipped with the latest and most efficient Selective Catalytic Reduction (SCR) technology.”

SCR is an advanced active emissions control system that injects a liquidreductant agent – usually urea – into the exhaust stream via a special catalyst that sets off a chemical reaction that converts nitrogen oxides into nitrogen and water for expulsion through the vehicle’s tailpipe.

In another development that indicates that Volkswagen is serious about cleaning up its emissions act, the Group’s all-electric BUDD-e vehicle was recently named Concept Truck of the Year at the North American Concept Vehicle of the Year Awards.

In making the award, the jury pointed out that the model was environmentally compatible and met vehicle utility requirements for the 21st century in terms of design, styling, materials, technologies and marketability.

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