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Volvo Trucks and Mack Trucks are rolling out updated DEF software that gives drivers more time to repair emissions system issues before engine derates and speed restrictions take effect.
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  • Posted by admin
August 17, 2026
4 min read

Volvo, Mack Expand DEF Software Updates for Heavy-Duty Trucks

Volvo Trucks North America and Mack Trucks have announced updated diesel exhaust...

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