The diesel particulate filter (DPF) has continued to improve over its 15-year existence. So have other components of aftertreatment systems (ATS) that help send cleaner exhaust through the DPF.

This story appears in the November/December 2010 issue of Equipment & Maintenance Update, a supplement to the Nov. 8 print edition of Transport Topics. Click here to subscribe today. Some fleet ...

Your DPF and DOC don’t fail overnight—they fail slowly, one idle session and one short trip at a time. Some think emissions system issues are bad luck or bad engineering, but the truth is these ...

The OTC 5280 Diesel Particulate Filter (DPF) Cleaner from toolmaker SPX can remove accumulated soot from the aftertreatment system in about 30 minutes, according to the manufacturer. Used with diesel ...

Does £900 for a DPF replacement seem expensive? I just had my car plugged into a diagnostic computer at a garage and the mechanic said the DPF is blocked. I asked if it could be regenerated, but he ...

We have the opportunity to buy Vauxhall Insignia with a diesel engine. It has 41,000 miles and it's selling for £4150, but we're worried about the DPF. Your opinion would be appreciated. Many thanks.

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 ...

No one has ever taken a deep breath and said, “Man, I wish this air was a little less clean.” Whether we like it or not, vehicle emissions regulations are not going to let up any time soon. That means ...