The regeneration of used mineral oils represents a well-established positive example of circular economy in our country. Today, in Italy over 95% of used lubricating oils which enter a regeneration plant is recovered. This amount of matter is reinserted into the market so as to create an almost perfect circularity, which has been going on for 50 years.      It all starts with a well-organized collection system, widely spread over the territory and implemented by the Compulsory Consortium of Used Oils (COOU), which has achieved excellent results in the last few years.  It is a system that – thanks to the technological excellence displayed by industrial actors working in the regeneration process – allows for the reinsertion of a high quality product into the market,...