Thermal efficiency has become a key indicator of automotive technological innovation

Introduction As global attention to energy conservation and emission reduction continues to grow, technological innovation in the automotive industry is accelerating at an unprecedented pace. Thermal efficiency, one of the key indicators of engine performance, has gained significant attention from numerous automakers in recent years. This paper will explore several recent innovations in thermal efficiency and their impact on the industry. Geely Reveals i-HEV Intelligent Hybrid Power Technology, Engine Thermal Efficiency Reaches New Heights On May 27, 2026, Geely Auto announced a major technological breakthrough—the i-HEV Intelligent Hybrid Power Technology. The thermal efficiency of this technology’s engine has reached an impressive 48.41%, setting a new record.