Volkswagen introduces particulate filter for petrol engines

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Volkswagen (VW) has introduced a particulate filter for petrol engines to reduce the emissions of fine soot particles.

The move comes as part of VWs work to improve the environmental compatibility of conventional drive systems and means that from 2017 all Group direct injection TSI and TFSI engines will be fitted step-by-step with petrol particulate filters.

The filters, which reportedly reduce emissions of fine soot by up to 90 per cent, will initially be introduced in the 1.4-litre TSI engine in the new Volkswagen Tiguan and the 2.0 TFSI in the Audi A5.

Implementation will then follow in further models and VW believes that around seven million vehicles could feature the technology by 2022.

Dr. Ulrich Eichhorn, head of group research and development, said: "Following increases in efficiency and lower CO2 output, we are now bringing about a sustained reduction in the emission levels of our modern petrol engines by fitting particulate filters as standard."

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