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This paper aims to present an innovative approach to maritime transportation solutions and the need to minimize gas emissions and fuel consumption through green hydrogen research and substitution. Given its critical role in global commerce, maritime transportation has been a key factor for the past decades, specifically regarding the optimization of ship routing. The traditional focus on minimizing distance has been supplemented with modern, sustainability-driven objectives, including greater attention to fuel con...

Global climate change and the need to transition to clean energy sources have brought green hydrogen to the forefront of regional and international energy strategies. Green hydrogen offers a low-carbon solution that can support decarbonization in the heavy industries, transportation, and industry sectors, and renewable energy sources can be integrated into its production. The Danube River is one of the primary hydrological axes in Central and Southeastern Europe, playing a strategic role in the region's energy and...

One of the most significant inland waterway corridors on the continent, the Danube River, spans 2,850 kilometers across ten European nations, serving as a vital link between Western and Eastern Europe. Its ports serve as key hubs for the movement of goods, energy resources, and passengers, linking inland navigation with rail, road, and maritime transport routes. This paper provides a comprehensive and detailed assessment of the entire Danube port network, combining geographical, economic, and operational perspecti...

The transition to a sustainable energy system is one of the European Union's key strategic directions, in line with achieving climate neutrality by 2050, as outlined by the European Green Deal. The Black Sea region has considerable potential for renewable energy sources, particularly offshore wind, solar, and biomass. Due to this potential, the area has become a hub for European initiatives focused on increasing the share of renewable sources in the regional energy mix, and consequently, on energy security and red...

Hydrogen integration represents a promising strategy for decarbonizing Floating Production, Storage and Offloading (FPSO) operations, which traditionally rely on gas turbines and diesel generators. This study proposes a hybrid FPSO concept combining renewable energy generation with onboard hydrogen production, storage, and utilization. The system emphasizes green hydrogen produced by renewable-powered electrolysis of desalinated seawater, supported by blue hydrogen from associated gas reforming with carbon capture...

As the offshore oil and gas industry faces mounting pressure to reduce its carbon footprint, Floating Production, Storage and Offloading (FPSO) units are emerging as critical platforms for implementing clean energy innovations. This paper explores the potential for integrating renewable energy sources such as offshore wind, solar photovoltaic, and wave energy with advanced energy storage technologies, including lithium-ion batteries and hydrogen-based systems, within FPSO operations. The hybridization of power gen...

The Danube has been a traditional trade route in Europe since ancient times. Transport on the Danube has many economic and environmental advantages. By using the river as a transport route, logistics costs can be reduced, and delivery times optimized. Another feature of the Danube is its connection to the North Sea and maritime transport via the Rhine-Main-Danube Canal. In addition, waterborne transport produces less carbon dioxide than road or rail transport, helping to reduce environmental impact and promote sus...

In recent years, maritime transport in the Black Sea area, especially along the maritime transport routes that cross this area, has seen a considerable increase compared to previous years. However, navigation takes place not only in ports in Romania, Turkey, Georgia, Russia, Ukraine, and Bulgaria but also outside the Black Sea via Turkish straits, connecting with international routes. Maritime transport consists of two main components: passenger transport and freight transport, both components being directly affec...

The Danube-Black Sea Channel, inaugurated in 1984, although it has a dark history, is also of significant importance at European level, being the third longest navigable channel in the world, after the Suez Channel and the Panama Channel and connects the North Sea to the Black Sea through the Rhine-Main-Danube Channel, shortening the route of goods transport from Australia to Central Europe by 400 kilometers. The channel has a total length of 95.6 km and consists of two branches, a main one having 64.4 km long and...

Danube is part of the Rhine / Meuse - Main - Danube priority axis, being the second longest river in Europe. Danube is an important international river route, flowing through 10 countries: Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova and Ukraine. Most of the Danube, 28.9%, stretches over the territory of Romania. In the rest of the countries where the Danube arrives, they have much lower percentages. It collects most of the Romanian rivers, except some from Dobrogea, that are ca...

Europa has the densest, diversified and completely transport system on the entire world. Maritime transports have developed since ancient times (in the Mediterranean basin and the countries bordering the Atlantic Ocean) and they are still in development because they present a key point in freight transport. Europe controls one third of the world's commercial fleet and is one of the world's leading maritime centres with 329 key ports along the coast, including Rotterdam, which is the second largest port in the worl...

With the economic development of the European seas and rivers, there was a sharp increase in demand for services and transport. Maritime transport is one of the least expensive methods of transport, unlike road, rail or air transport and has a number of advantages in terms of the size of the goods transported and the increased safety of freight transport. Many of the sea routes have among their destinations river ports, which hold a large part of the year traffic of ships. In the European waters we find a diversit...