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 ...

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 ...

Diesel particulate filters (DPF) are found in the exhaust system of diesel cars and work to remove particulate matter or trap soot from exhaust gases released by diesel engines. The goal is to help ...

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 ...

Thousands of drivers have been caught driving without their diesel particulate filter, new figures reveal. The Driver and Vehicle Standards Agency has caught 1,800 drivers since 2014 driving with the ...