Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor says its latest design aims to make the technology easier and more affordable to deploy.

The Diesel Particulate Filter (DPF) is an important part of modern diesel vehicles that many people don’t understand. The DPF’s main job is to catch harmful soot and ash from the exhaust stream before ...

A Norwich company is restoring blocked diesel particulate filters with some new technology. Motoring editor ANDY RUSSELL learns how it can save owners money. In order to clean up their acts, vehicle ...

But you don't have to wait for the TMC report to learn more about the care of DPFs. Sooner or later you'll probably be running trucks with EPA '07 diesels - maybe sooner, if only because you're trying ...

You may recall when the EPA mandated that, starting in 2007, all new on-highway diesel engines must limit the emission of particulate matter. To comply with this regulation, equipment makers ...