Inversely, gasoline cars exist in a regulatory gray zone,in which fuel efficiency standards have not forced the inclusion of particulate filters, creating a gap that researchers previously ...

VW announced a new particulate filter for gas engines that it claims can reduce particulate matter by up to 90 percent. Anything the Wolfsburg company can do to clean up its environmental image, ...

The first nameplates and engines to receive the gasoline particulate filter (GPF, I suppose?) are the Volkswagen Tiguan 1.4 TSI and the Audi A5 2.0 TFSI.

The carmaker claims the filters reduce particulate emissions from its direct-injection gasoline engines by up to 90 percent. VW will begin implementing the use of particulate filters in June 2017.

In the case of Volkswagen, the first gasoline engines with particulate filters will be launched next June, beginning with the 1.4-liter TSI engine in the Tiguan, and the 2.0-liter TFSI unit of the ...

Tenneco's new oval-shaped gasoline particulate filter is designed for gasoline direct injection (GDI) engines to reduce particulate emissions in compliance with the Euro 6c emissions regulations.