How OEMs are pushing the limits of fuel efficiency

May 27, 2026 1 minute to read

The latest Freightliner Cascadia and Volvo VNL managed to reach greater diesel efficiency yet again. Here is how the OEMs tweaked the trucks' aerodynamics and powertrains.

Class 8 truck manufacturers keep doing it: designing new models to move more freight with less diesel.

With diesel prices such a large part of operational expenses, fuel efficiency is one of the most important aspects of fleet management.

Watch the video above to hear Yunsu Park from the North American Council for Freight Efficiency share actionable ways for fleets looking to save fuel.

One of the biggest fuel-saving tactics is running the latest equipment. And so, FleetOwner hosts experts from Daimler Truck North America and Volvo Trucks North America to break down some of the latest improvements in the Freightliner Cascadia and Volvo VNL, from their aerodynamics to their powertrains.

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