Path to natural gas supported by larger engines, renewable fuels

Natural gas engines presented Werner Enterprises with several challenges when the fleet first experimented with the fuel. Truck drivers who had been using 15-liter engines “weren’t excited” about the reduced…

Paccar to offer Cummins X15N natural gas engine

Cummins X15N natural gas engines, which deliver 500 hp, will now be available in Kenworth and Peterbilt trucks. When running on renewable natural gas, also known as RNG or…

Cummins natural gas comes to Kenworth T680 Next Gen

The Kenworth T680 Next Generation on-highway truck can now be powered by the latest generation of the Cummins Westport ISX12N natural gas engine. The 12-liter engine offers ratings up to…

Cummins Westport natural gas engines meet low-NOx standards

INDIANAPOLIS, Ind. — Cummins’ commitment to deliver sustainable products and lower NOx emissions continues with certification of the Cummins Westport B6.7N natural gas engine. It recently received certifications from…