Volkswagen Group introducing particulate filters for petrol cars
- Credit: Volkswagen
Volkswagen Group has announced that it will be introducing large-scale usage of particulate filters for its petrol-powered cars.
These so-called 'gasoline particulate filters' are being introduced as part of an attempt by the German manufacturer to work on the environmental impact of its conventionally-driven cars, especially after being embroiled in the 'dieselgate' scandal when Volkswagen admitted cheating pollution tests with its diesel engines.
Volkswagen is predicting that by 2022, the number of its petrol cars equipped with this system could reach seven million, with the operation beginning in June next year with the new 1.4-litre turbo petrol Tiguan and new 2.0-litre turbo petrol Audi A5.
The system has already been well proven in diesel cars. It is predicted that their usage in petrol engines will reduce the particulate emissions by up to 90%.
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.
'In the future, all models will be equipped with the latest and most efficient SCR [selective catalytic reduction] catalytic converter technology.'
Independent testing bodies have announced that Volkswagen Group's modern EU 6 engines are the cleanest on the market, which is good news for the company in the face of the recent diesel emissions scandal.
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While petrol engines are being focused on, diesel cars are also being worked on to make them as efficient and clean as possible. Despite the initial cost of exhaust treatment systems, Volkswagen is still working towards cars with better emissions results.