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 ...

How Diesel Particulate Filters work How to avoid DPF problems How much is it to clean a DPF? A Diesel Particulate Filter — known as a DPF for ease — is part of a diesel car's exhaust system, designed ...

German diesel car drivers, for example, face the threat of an additional road tax of €1.2 per 0.1 liter of engine displacement if their car doesn't have an diesel particulate filter (DPF).