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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.
  • admin
  • 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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The EPA is accepting public comments on proposed revisions to its 2027 heavy-duty truck emissions rule, including changes to engine derates, compliance timelines, and emissions-related warranties.
  • admin
  • Posted by admin
July 21, 2026
4 min read

EPA Seeks Public Input on Proposed Changes to 2027 Truck Emissions Rule

The U.S. Environmental Protection Agency (EPA) is seeking public feedback on proposed...

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