President Donald Trump cleared the records of nine aftermarket diesel tuners and mechanics convicted of federal Clean Air Act ...
Mack Trucks is taking another step toward simplifying fleet maintenance with a new Lock & Leave enhancement for its Mack Over ...
Updated diesel engine software gives truck operators more time to address emissions-system issues while staying compliant ...
Cummins and Paccar are rolling out software updates tied to revised EPA guidance on DEF inducement. The changes aim to ...
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