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The societies around the world remain far from meeting the agreed primary goal outlined under the 2015 Paris Agreement on climate change: reducing greenhouse gas (GHG) emissions to keep global average temperature rise to well below 20°C by 2100 and making every effort to stay underneath of a 1.5°C elevation. Current emissions are rebounding from a brief decline during the economic downturn related to the Covid-19 pandemic. To get back on track to support the realization of the goal of the Paris Agreement, research suggests that GHG emissions should be roughly halved by 2030 on a trajectory to reach net zero by around mid-century.2 Although these are averaged global targets, every sector and country or market can and must contribute, especially higher-income and more developed countries bear the greater capacity to act. In 2020 direct tailpipe emissions from transport represented around 8 GtC02e, or nearly 15% of total emissions.

The ever-increasing pressure to reduce greenhouse gas (GHG) emissions from the transport sector poses challenges to the entire industry. Since the release of the new European CO2 fleet emission targets demanding a massive reduction in the upcoming years (-15%/-31% in 2025/2030 vs. the 2021 figures), substantial initiatives have been launched to ensure the development of affordable solutions. goals meeting the market requirements. Diesel powered vehicles and, especially Light-duty Diesel has been the main driver for CO2 emission reductions in recent years. These achievements were mainly based on improvement of combustion efficiency and reduction of mechanical losses. Based on this experience, it appears doubtful to achieve further significant fuel consumption and CO2 reductions with an improvement in engine technology alone. This reduction steps requested by the authorities call for the implementation of new technologies.