PacLease introduces its first trucks with the Cummins X15N natural gas engine, promoting cleaner waste hauling. The new trucks feature 450 horsepower and 1,650 lb.-ft. of torque, designed for heavy ...

Trucking companies can now order the Fifth Generation Freightliner Cascadia heavy-duty Class 8 truck with the new Cummins X15N natural-gas 15-liter engine. Earlier this month, Freightliner announced ...

Natural gas engines have the potential to be the least commercially disruptive technology available in the quest to reduce trucking’s carbon footprint, even though they haven’t caught fire in trucking ...

Natural gas has been an option for fleets seeking a green energy alternative for years, but only found its niche in select operations – namely return-to-base fleets that didn't need a lot of power.

Forbes contributors publish independent expert analyses and insights. I first rode in a self-driving vehicle in 1991. Haven’t looked back. To a trucking user, CNG vehicles operate much like ...

In the world of semi-trucks, the engine under the hood often matters a whole lot more than the badge on the grill. In fact, most trucks across America are powered by one of just four engine ...