The MOT test for diesel cars will be tightened up from February 2014 and any car that is missing a diesel particulate filter (DPF) once fitted as standard will fail. Currently a car is only tested on ...

Owners of diesel trucks are likely to seek methods of increasing performance and fuel economy and most probably may discover a bottleneck with the Diesel Particulate Filter (DPF). The DPF […] ...

A diesel particulate filter captures small soot particles, preventing them from being expelled into the atmosphere Credit: Photo: ALAMY Removing your car's diesel particulate filter (DPF) might be ...

In recent years, a bigger focus has been put on the reduction of harmful pollutants emitted by cars. Diesel cars use what’s known as a DPF or ‘Diesel Particulate Filter’ to reduce air pollutants ...

It's illegal, but the EC law is not yet enforced as part of the UK MoT. You have to disclosed the modifications to your insurer who will increase your premium as a result. At any time in the future ...