Past experience with Kenworth trucks and dealer service factor in decision. GUYMON, Okla. (July 16, 2013) When High Plains Bioenergy delivers biodiesel made from pork fat at its biodiesel plant, it will be using compressed natural gas (CNG)-powered Kenworth trucks to get the fat out. High Plains Bioenergy, a wholly-owned subsidiary of Seaboard Foods, produces more … Continue reading Seaboard Foods to add 45 natural gas-powered Kenworth trucks to move hogs and biodiesel made from pork fat