BELLEVUE, Wash.–(BUSINESS WIRE)–PACCAR will work with Cummins Inc. to offer the new Cummins X15N natural gas engine in Kenworth and Peterbilt trucks. The X15N is the first natural gas engine to be specifically designed for heavy-duty truck applications with up to 500 horsepower output. The engine will include the integration of the Cummins Clean Fuel Technologies fuel delivery system. “PACCAR can help customers achieve their business goals by offering sustainable, affordable power solutions t