A sustainable constitution of our way of living is more and more subject to the discussion in society and politics. The transportation sector, causing a considerable percentage of the worldwide CO2 emissions, resides right in the middle of the debate. As a result companies find themselves in an area of conflict between economical and ecological objectives, which cannot always be reconciled. Approaches to solve this dilemma are discussed under the general term „Green Logistics“. The implementation of an intelligent cargo system can contribute to bring these approaches to practice.