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Why the Cummins X15N Changed the Conversation About Natural Gas Trucking

Natural gas is quietly building a reputation as a clean, affordable, and reliable alternative fuel for long-haul trucks. And Ian MacDonald with Hexagon Agility says the Cummins X15N is a big reason why.

January 26, 2026


Ian MacDonald with Hexagon Agility talks about the latest developments as CNG trucking becomes more capable and accessible for fleets. 

In this video, MacDonald walks through Hexagon Agility’s natural gas fuel systems on a Freightliner Cascadia and explains how the Cummins X15N engine is opening the door to heavier-duty applications once considered diesel-only. 

You’ll hear how large fleets like UPS and international operators are validating performance, why ROI improves as fuel consumption increases, and how driver training and fueling infrastructure fit into successful deployments. MacDonald also highlights Hexagon Agility’s demo truck program, giving fleets a chance to test the technology firsthand.

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