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 ...
When an emissions aftertreatment issue rears its ugly head, one of the biggest mistakes a technician can make is to assume it’s an emissions aftertreatment problem. Often, issues that present in the ...
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 ...
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 ...
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 ...
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