The diesel particulate filter (DPF) has continued to improve over its 15-year existence. So have other components of aftertreatment systems (ATS) that help send cleaner exhaust through the DPF.

You often point out the problems of failing DPFs on higher mileage diesels, especially in Volkswagen models. Does the same apply across all manufacturers - my daughter is looking to buy a large second ...

If you own a diesel car, chances are it's fitted with a Diesel Particulate Filter — DPF for short. They can be a source of problems but our guide will help you avoid them. How Diesel Particulate ...

This story appears in the May 27 print edition of Transport Topics. Retrofits of diesel particulate filters onto older vehicles that never had them will take a jump in 2014, when California’s rule ...

We are planning to change my wife’s Toyota Rav4 for a Nissan Qashqai, but the only automatic version has a 1.6 diesel engine. I think I recall that when Nissan introduced the 1.6 diesel on the old ...