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A blue DEF sign hanging on a green post at a fuel station.
Resource LibraryMaintenanceResources

Diesel Exhaust Fluid 101

What is diesel exhaust fluid, and how does it affect your heavy-duty truck? Our DEF 101 article answers all your questions.
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Resource LibraryResourcesEquipment

Cut Costs, Increase Driver Satisfaction With Auxiliary Power Units

Auxiliary power units reduce the need for idling, allowing fleets to reduce fuel costs, increase engine life and improve driver comfort.

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A white Penske semi-truck drives on a road with mountains in the background.
Resource LibraryFinance

How Leasing Helps Control Hidden Fleet Costs

A truck driver in a blue vest and hat buckles his seat belt while sitting in the cab of a semi-truck.
SafetyResourcesResource Library

CVSA Safe Driver Week 2026: Curb Careless Driving

A truck driver in a truck cab window holding an open bottle of water.
Resource LibraryResourcesDriver Well Being

How To Stay Cool in the Heat in Your Truck This Summer

A drone-style image of multiple semi-trucks driving through a Utah landscape against blue skies.
Resource LibraryIndustry

5 Ways To Prepare for New and Changing Lanes

The profile of a diesel technician dressed in a blue Penske uniform and hat standing in front of a white semi-truck.
Resource LibraryMaintenanceResources

Why Diesel Techs Are So Important