Retrofitting of Danube vessels for a green and efficient fleet

  • Cristi-Marian Angheluță Ship Design Group
  • Silviu Perijoc Ship Design Group
  • Adrian Presura Ship Design Group
Keywords: inland vessels, green technologies, exhaust after treatment, stage V.


The following paper presents a research study based on the idea of reducing the environmental impact of inland waterway vessels by resorting to state-of-the-art technologies for treating the exhaust gases. The paper summarizes an analysis into the feasibility of retrofitting existing ships so as to comply with Stage V, the latest emission norms of the European Commission. Several types of river pushers were analyzed for the case study in order to reach a proper understanding of the implications of installing a new engine and after treatment system. The solutions proposed by engine manufacturers for compliance with the norms were analyzed and suitable engines were identified for the selected vessels, with the goal being to minimize the modifications required on-board. Based on the information obtained, a detailed analysis into the structural, piping, machinery, outfitting and electrical impact was made.


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[1]. International Maritime Organization – Resolution MEPC.304(72), Initial IMO strategy on reduction of GHG emissions from ships, 2018
[2]. NRMM STAGE V REGULATION (EU) 2016/1628 (Emission regulation for non-road mobile machinery: EU Stage V)
[3]. Schweighofer J Blaaw H G Smyth M D 2008 How to Improve the Environmental Performance of Inland Navigation, The 30th Motorship Propulsion and Emissions Conference 2008 Gothenburg, 20th -22 nd May, 2008
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[5]. D1.1 List of operational profiles and fleet families, Prominent, European Commission
[6]. Courtesy of Compania de Navigatie Fluviala Romana NAVROM S.A. Galati
[7]. GRENDEL - Green and efficient Danube fleet, Danube Transnational Programme of the European Union (, accessed on 10.04.2019, 13:40
How to Cite
Angheluță C-M, Perijoc S, Presura A. Retrofitting of Danube vessels for a green and efficient fleet. Annals of ”Dunarea de Jos” University of Galati. Fascicle XI Shipbuilding [Internet]. 26Nov.2019 [cited 17May2021];42:175-82. Available from: