The first of several Kenworth T680s equipped with the Cummins X15N CNG engine was delivered to UPS in late February.
Freightliner to Offer Cummins X15N Natural Gas Engine
Freightliner will offer an option in 2025 for a Cascadia powered by the Cummins X15N, a natural-gas engine designed with heavy-duty, on-highway truck operations in mind.