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The automobile painting is a very energy and emission (solvents) intensive process step in the production of automobiles with regard to the small amount of paint applied to the car body. The awareness has risen that cleaner production technologies must substitute end-of-pipe control technologies. If these technologies strive for being a competitive option in corporate decision-making process, not only their environmental but also their technical and economical performance has to be on the same or better level compared to conventional technologies. The approach of Life-Cycle Engineering (LCE) by PE and IKP investigates technical, environmental and economical aspects of products and technologies. It is developed to a simulation tool to analyse weak points and optimisation potentials as well as to support product and technology development in the painting industry.

The total life cycle approach makes use of data for various sub-systems and modules to describe the relevance of a defined system under consideration. The different processes and steps take place in several locations. The life cycle approach is an assessment tool beyond this spatial dimension. Often these basic information is not available any more or never has been considered as valuable. By this, different emission sources and different receiving environments are simply neglected by summing up for the total life cycle contributions. The spatial dimension is of outstanding importance for the determination of relevance and meaning of environmental burdens. A more advanced life cycle concept should cover this. Besides the spatial differentiation within on product system, life cycle consideration are also often used to compare different production sites.