These 3-volume proceedings includes selected and reviewed papers from CONAT 2024 – the 13th edition of the International Congress of Automotive and Transport Engineering, held in Brasov, Romania, in November 2024. Authors are experts from research, industry and universities coming from around the world. The papers are covering the latest developments in automotive vehicles and environment, advanced transport systems and road traffic, advanced powertrain systems, new materials, manufacturing technologies and logistics, accident research and analysis and innovative solutions for automotive vehicles. The congress is organized by SIAR (Society of Automotive Engineers from Romania) in cooperation with SAE International and Transilvania University of Brasov.   This first volume presents the papers on Advanced Powertrain Systems, Advanced Engineering Methods as well as Vehicle Dynamics and Vehicle Systems.