Energy efficiency has become a critical objective in mechanical and electrical engineering due to increasing energy demand, rising costs, and environmental concerns. Modern engineering systems focus on reducing energy consumption while maintaining high performance and reliability. This article examines energy-efficient systems in mechanical and electrical engineering, highlighting advanced technologies, optimization methods, and intelligent control strategies that improve energy utilization. Current challenges and future trends in energy-efficient engineering design are also discussed.

Energy efficiency, mechanical engineering, electrical engineering, sustainable systems, energy optimization

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