Advancing Lightweight Material Engineering in Automotive Parts by Incorporating N,N-Dimethylethanolamine Catalysts Abstract This paper explores the integration of N,N-dimethylethanolamine (DMEA) catalysts into lightweight material engineering for automotive parts. The focus is on how DMEA enhances the performance and durability of polyurethane foams, which are extensively used in vehicle manufacturing. We present a comprehensive review of...