As one of the main objectives of the GRENDEL project is to raise the environmental performance of Danube inland vessels and to fully integrate them in the transnational transport and logistics chains, several factsheets providing basic information on innovative technologies in modernising inland vessels are released. Three technological innovation factsheets were newly elaborated in cooperation with the INDanube Innovation Transfer Centre.

• ​New technological innovation factsheet on Battery electric propulsion

This fact sheet offers insight into battery electric propulsion, ranging from relevant regulations, technical concepts, information on economics and environmental sustainability as well as references to deployed examples. Batteries can be used as the sole power source or in combination with a more conventional, e. g. Diesel-electric drivetrain.

• New technological innovation factsheet on Drop-in fuels

This fact sheet offers information on drop-in fuels that can be used as a replacement for conventional diesel without major engine conversions, information on economics and environmental sustainability as well as references to deployed examples.

• New technological innovation factsheet on EURO VI truck and NRE engines

As an alternative to engines with a dedicated type approval for inland ships (Stage V classes IWA and IWP) marinised engines of class NRE with power up to 560 kW and Euro VI truck engines may be installed on inland ships. These engines are usually more compact and have shorter product cycles due to the larger market demand. However, it needs to be ensured that the type approval is not lost due to the marinisation. This fact sheet gives an insight into regulations and technical details as well as economic aspects.

The following factsheets addressing fleet modernisation aspects were already elaborated and are available on the GRENDEL website:

• Modernisation of Danube inland vessels
• Gas and Gas-Electric Propulsion
• Diesel Electric Propulsion
• After-Treatment
• Fuel Cell Propulsion