Despite consistent efficiency gains in aviation, the sector’s rapid growth has led to a substantial increase in emissions, accounting for 2% of global energy-related CO2 emissions in 2022 This paper offers a comprehensive analysis of the historical evolution and the current state of the aviation industry, with a particular emphasis on the critical need for this sector to decarbonize. It delves into emerging propulsion technologies such as battery electric and hydrogen-based systems, assessing their potential impact on sustainability within the aviation sector. Source: OIES
