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Automotive waste, some materials and combustion reactors (for developing oxidation reactions) represent an opportunity for creating more alternative energy recovery solutions and lowering environmental negative impact. Specific designs of new thermal structures and combustion systems in the case of energy recovery aimed to diminish environmental pollution and increase energy efficiency, as well as to optimize waste recycle process is highly important due to the economic and technical improvement and overall pollution reduction. Material with high residual energy and significant recycling coefficient lead to an increased recovery efficiency and controlled impact. The main objective of the present paper is to show some of the opportunities and make-ups in waste material recovery sector and combustion systems manufacturing technologies for an optimal automotive waste management and energy recovery. The parameters for combustion chamber of the energy conversion and recovery system were thoroughly analyzed. After collecting the real values and defining some structural characteristics in order to operate and validate the thermal systems, the research results consisting in optimal waste material conversion (filter, oils and some plastics) are analyzed. There are mentioned the differences between first prototype model of conversion system and the optimized architecture model with new capabilities for waste materials conversion and improved energy efficiency. A global trend is material recycling and energy recovering systems with environmental positive impact.