Along with many other engine components that are critical to economy and the environment, filter technology is constantly evolving to keep pace with the twin demands of EU legislation and vehicle desi ...

DPFs are constructed from porous ceramic materials and consist of a honeycomb of numerous small channels, which are closed at alternate ends. The exhaust gas enters the DPF through the inlet channels ...

Paul Stubbs, Managing Director of TPCATS, explains.  It is an increasingly common problem on British roads, or should I say driveways: a diesel engine car out of action with the DPF warning light illu ...