We’re just now beginning to accept that we have to do things differently from what we have always done in order to maintain our aftertreatment systems. We’ve had 14 years to figure it out, yet diesel ...

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. Ad Loading... Strictly speaking, diesel ...

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 ...

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 ...

Fleets running post-2007 model year trucks will soon need to develop a diesel particulate filter (DPF) cleaning program. While the DPFs, found on all truck makes since 2007, have thus far exceeded EPA ...

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 ...