Volkswagen Group tells us that it is continuing to work assiduously on the environmental compatibility of conventional drive systems. The company has now decided upon wide-scale use of particulate filters for petrol engines, so-called ‘gasoline particulate filters (GPF)’. From 2017, all Group direct injection TSI and TFSI engines will be fitted step-by-step with petrol particulate filters. Emissions of fine soot particles will be reduced by up to 90 per cent. By 2022, the number of … Continue reading VW introduces particulate filter for petrol engines