This study is focused on the calculation for optimum period for environmental logistics system to replace old truck. Companies throughout the world have recognized the importance of environmentalism and the role of logistics in structuring a corporate response to environmental issues like recycling, waste disposal, pollution, and many others. Reverse logistics, the term often used to represent the role of logistics in environmentalism, is gaining acceptance by firms.

Abstract
 1. 서론
 2. 노후차량운행과 대기오염 발생비용
 3. 노후차량의 트레이드 오프관리
 4. 화물차량의 최적 폐차시기 산정
 5. 결론
 참고문헌

• 전만술 | Chun, Man Sul
• 김연희 | Kim, Yeon Hee