 OSHKOSH, Wis.--BUSINESS WIRE--- OSK sustainability--Oshkosh Corporation NYSE: OSK, a leading innovator of mission-critical vehicles and essential equipment, today released its eighth annual Sustainability Report. The report reinforces the Companys continued focus on the future and commitment to lead business in a socially responsible way. Oshkosh Corporations sustainability strategy is guided by the four core areas of empowering our people, developing innovative products, building communities and operating sus 