ENERGY STAR® Challenge for Industry Achievers To meet the U.S. EPA ENERGY STAR® Challenge for Industry, plants must reduce energy intensity by at least 10 percent and do so in five years or less. GM has a total of 75 plants that have met the challenge, more than any company worldwide. United States 6. Silao Engine 1. Arlington Assembly (Texas) 7. Silao Transmission 2. Baltimore Operations (Maryland) Brazil 3. Bay City Powertrain (Michigan) 1. Gravatai Assembly 4. Bedford Powertrain (Indiana) 2. Mogi Das Cruzes Stamping 5. Bowling Green Assembly (Kentucky) 3. Sao Caetano Do Sul Assembly 6. Defiance Casting Operations (Ohio) 7. Detroit Hamtramck Assembly (Michigan) South Korea 8. DMAX Engine (Ohio) 1. Boryeong Transmission 9. Fairfax Assembly (Kansas) 2. Bupyeong 1 Assembly Plant 10. Flint Assembly (Michigan) 3. Bupyeong Engine 2 Plant 11. Flint Engine (Michigan) 4. Changwon Assembly 12. Flint Metal Center (Michigan) 5. Changwon Engine #1 13. Fort Wayne Assembly (Indiana) 6. Changwon Engine #3 14. Grand Rapids Components Holdings (Michigan) 7. Changwon Transmission 15. Kokomo Operations (Indiana) 8. Gunsan Assembly 16. Lansing Grand River Assembly (Michigan) 9. Gunsan Engine 17. Lansing Regional Stamping (Michigan) 18. Lordstown Assembly (Ohio) China 19. Marion Stamping (Indiana) 1. Dongyue Assembly 20. Orion Assembly (Michigan) 2. Dongyue Engine 1 21. Parma Stamping (Ohio) 3. Dongyue Transmission 2 GF6 22. Pontiac Stamping (Michigan) 4. Dongyue Foundry 23. Rochester Components (New York) 5. Jinqiao South Assembly 24. Romulus Engine (Michigan) 6. Jinqiao North Assembly 25. Spring Hill Assembly (Tennessee) 7. Jinqiao Powertrain 26. Spring Hill Engine (Tennessee) 8. Norsom 2 Assembly 27. Spring Hill Stamping (Tennessee) 9. Shenyang Assembly 28. Toledo Transmission (Ohio) 10. Qingdao Engine Plant 29. Tonawanda Engine (New York) 11. Qingdao Assembly Plant 30. Wentzville Assembly (Missouri) 31. Wixom Performance Build Center (Michigan) Thailand 32. Warren Transmission (Michigan) 1. Rayong Car Assembly 2. Rayong Truck Assembly Canada 1. CAMI Assembly Africa 2. Oshawa Car Assembly 1. Nairobi Assembly (Kenya) 3. Oshawa Stamping 2. Port Elizabeth Kempston Assembly (South Africa) 4. St. Catherines Engine 3. Port Elizabeth Struandale Assembly (South Africa) Russia Mexico 1. St. Petersburg Shushary Assembly 1. Ramos Arizpe Assembly 2. Togliatti Assembly 2. Ramos Arizpe Engine 3. San Luis Potosi Assembly India 4. San Luis Potosi Transmission 1. Talegaon Assembly 5. Silao Assembly 2. Talegaon Transmission .