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Discover the Secret Behind the New Porsche Macan Sports Car at the Factory. Body, Paint, Assembly. At Porsche we always use energy as efficiently as possible – not just in our cars but also in our production facilities and factory site. For example, in the body shop of the Porsche factory in Leipzig an innovative cooling system for robot welding tongs creates annual power savings of over 365,000 kWh. In addition Porsche filters excess paint particles from the fine paint spray. The paint-filled air flows through a cloud of stone dust which filters out the particles. The stone dust with the particles bound in it is later used for the production of cement. The process of dry separation using stone dust requires neither water, chemicals nor additional electricity, which enables Porsche to save approximately 80% of the energy used in conventional solutions.
