The ongoing development of Slovakia’s motorway network has prompted efforts to improve project selection and infrastructure governance more generally. This report reviews Slovakia’s approach to estimating motorway construction costs in the light of international practices. The accuracy of...

This report examines the factors that have put Sweden at the forefront of decarbonisation of maritime transport, and how other countries could learn from this success story. It details Sweden's efforts to decarbonise its shipping industry and sheds light on remaining challenges and potential...

This report examines what would be needed to achieve zero CO2 emissions from international maritime transport by 2035. It assesses measures that can reduce shipping emissions effectively and describes possible decarbonisation pathways that use different combinations of these measures. In...

This report reviews port-based incentive schemes to reduce shipping emissions, such as environmentally differentiated port fees. Greenhouse gas emissions from shipping currently represent around 2.6% of total global emissions, but this share could more than triple by 2050. Ports have a crucial...

The use of Liquefied Natural Gas (LNG) as a ship fuel is expected to increase significantly from its current marginal share in the coming years. This will require new facilities where ships can take on board the LNG. Japan is positioning itself as a potential hub in Asia for LNG refuelling. This...

This report assesses the impact of transport commitments made in the Nationally Determined Contributions (NDCs) of the Paris Climate Agreement on national-level transport CO2 emissions. It contains an introduction to NDCs and provides an overview of economy-wide CO2reduction targets that were...