
Cummins Westport L9N Engine
Kenworth has introduced the Cummins Westport L9N near zero NOx emissions natural gas engine to its options for the T680 on-highway truck and T880 and T880S work trucks. The L9N engine is certified to the California Air Resources Board (CARB) optional low NOx standard of 0.02 g/bhp-hr ‒ a 90 percent reduction from engines operating at the current Environmental Protection Agency (EPA) NOx limit of 0.2 g/bhp-hr. Read more »