Photo 1. The DPF selected was the 180-lb, DPX Catalytic Soot Filter, designed by Engelhard and built by Fleetguard. Illustration 1. A DPF forces exhaust gas through semiporous material, where soot is ...

We appear to be learning from our mistakes in aftertreatment system maintenance, but we still have a way to go before we’re at peace with the things. Strictly speaking, diesel particulate filters, ...

A look at the 2023 marketplace for diesel particulate filters and related services from some of the most popular trucking industry suppliers. Caterpillar's diesel particulate filter group is designed ...

Modern medium- and heavy-duty trucks have sophisticated exhaust aftertreatment systems that can include a diesel oxidation catalyst (DOC), diesel particulate filter (DPF) and selective catalytic ...

Increasingly stringent diesel engine exhaust emissions regulations have, over the past 20 years, reduced output of nitrogen oxides (NOx) by 95% and particulate emissions by 90% in heavy trucks. These ...