Diesel engines across agriculture, trucking and construction have been sidelined by a tiny part that was supposed to keep the air cleaner. After years of complaints about failure-prone diesel exhaust ...
PACCAR has patented a method to evaluate Diesel Exhaust Fluid (DEF) quality in emissions aftertreatment systems. By analyzing NOx conversion efficiency in SCR units, the system adjusts DEF dosing to ...
EPA guidance increases final inducement speed to 25 mph from 5 mph and extends timelines for addressing emissions system issues. Cummins plans updates for more than 1.5 million engines across multiple ...
Paccar will roll out updated software for Kenworth and Peterbilt trucks equipped with MX-11 and MX-13 engines to reflect revised U.S. Environmental Protection Agency guidance on diesel exhaust fluid ...
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