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OCC shucks some corn and plows into their next project - the world's first renewable fuel chopper for the Iowa Farm Bureau. The Teutuls check in on OCC's new world HQ, and NASCAR champ Tony Stewart stops by to check on his bike.
OCC's rotors spin at full speed as work on the custom chopper for Silver State Helicopters continues. As assembly gets underway, Jr, Mikey and Vin go airborne, and take some flight lessons.
OCC continues on their innovative Ethanol powered bike for the Iowa Farm Bureau. But the mood in the shop quickly turns somber, when a long-time member of the crew calls it quits.