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HDT Spotlight video on natural gas truck engines.
Videosby Jack RobertsJanuary 26, 2026

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.

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Newsby News/Media ReleaseApril 28, 2025

Cummins X15N Natural Gas Engine Available in Fifth Generation Freightliner Cascadia

Daimler Truck North America and Cummins announced the availability of the Cummins X15N 15-liter natural gas engine in the Fifth Generation Freightliner Cascadia heavy-duty Class 8 truck.

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PacLease trucks powered by Cummins X15N.
Newsby News/Media ReleaseMarch 25, 2025

PacLease Trucks Featuring Cummins X15N Engine Enter Service

The first PacLease trucks powered by the Cummins X15N natural gas engine entered service with Bosum Trucking in Chambersburg, Pennsylvania.

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RNG fuel fill hose.
Guest Voices November 5, 2024

Why TTP is Suing the EPA to Embrace Biofuels for Heavy Trucks

In this opinion piece, Daniel Gage, president of the Transport Project, explains why the organization is suing the Environment Protection Agency in an effort to force it to embrace biofuel solutions for heavy-duty transport in Phase 3 Greenhouse Emissions Regulations.

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RNG in trucking.
Articlesby Jack RobertsOctober 31, 2024

The Case for RNG in Trucking

The time has come to seriously consider alternatives to zero-emission powertrains for long-haul trucking fleets. HDT Executive Editor Jack Roberts recounts recent conversations with RNG experts in the trucking industry to explore its viability as a short-term, near-zero emissions fuel solution for North American fleets.

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Kenworth T680 Class 8 truck.
Newsby News/Media ReleaseMay 16, 2024

Kenworth Announces Cummins X15N Natural Gas Engine Production

The Cummins X15N natural gas truck engine produces between 400-500 hp with up to 1,850 lb.-ft. of torque and is compatible with Eaton Cummins Endurant and Allison Transmissions.

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Newsby Jack RobertsApril 15, 2024

Volvo Trucks Meets the Emissions Moment

Roger Alm, president of Volvo Trucks, is on a mission to replace 1 million diesel trucks with green alternatives by 2050.

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Articlesby Jim ParkMarch 27, 2024

NACFE: Natural Gas a Viable Short-Term Decarbonization Option

Natural gas is cleaner burning and produces a lower carbon footprint than diesel. However, it’s not a zero-emissions choice, said the North American Council for Freight Efficiency in a new report.

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Newsby News/Media ReleaseMarch 26, 2024

Peterbilt Expands Cummins X15N Offerings

Peterbilt has expanded its alternative fuel solutions by making the Cummins X15N natural gas engine available for its Model 579, 567 & 520 trucks.

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Newsby StaffMarch 8, 2024

Kenworth Delivers First Cummins X15N Natural Gas Engine to UPS

The first of several Kenworth T680s equipped with the Cummins X15N CNG engine was delivered to UPS in late February.

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