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Green Hydrogen H2 News

Arst Seeks Hydrogen-Electric Trains in New Tender

Anela DoksoBy Anela Dokso08/06/20233 Mins Read
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Sardinian regional transport company Arst is making another attempt to introduce sustainable transportation solutions with the announcement of a new tender worth 138.7 million euros (excluding VAT) for the procurement of 10 trains powered by hydrogen and electricity. This initiative follows the failure of a previous tender that received no bids.

The goal of this tender is to revolutionize the region’s railway system by embracing clean and efficient technologies. By incorporating hydrogen and electricity as the primary sources of power, Arst aims to reduce carbon emissions and improve the sustainability of public transportation in Sardinia.

The technology behind hydrogen-electric trains combines the benefits of both hydrogen fuel cells and electric propulsion systems. These trains utilize electricity stored in onboard batteries and generated from renewable sources, such as solar or wind, to power their electric motors. Hydrogen fuel cells come into play by providing a clean and efficient way to generate electricity onboard the train. Hydrogen gas is combined with oxygen from the air to produce electricity, with the only byproduct being water vapor.

The potential impact of introducing hydrogen-electric trains in Sardinia is significant. Here are some key benefits:

Environmental Sustainability: By using hydrogen and electricity as primary energy sources, the trains emit zero greenhouse gases during operation. This shift away from traditional diesel-powered trains can help to significantly reduce carbon emissions and improve air quality in the region.

Energy Efficiency: Hydrogen-electric trains have the potential to be highly energy-efficient, making them a sustainable choice for public transportation. The regenerative braking system allows the train to recover energy during braking, which can then be stored and reused.

Noise Reduction: Compared to traditional trains, hydrogen-electric trains operate quietly, reducing noise pollution along railway lines and in surrounding communities.

Economic Opportunities: The adoption of hydrogen-electric trains can lead to economic benefits such as job creation and local industry growth. The development, manufacturing, and maintenance of these trains require skilled labor and can stimulate the regional economy.

However, there are challenges to consider in implementing this technology:

Infrastructure Development: Establishing the necessary infrastructure to support hydrogen-electric trains, including refueling stations and charging infrastructure, requires significant investment and coordination among various stakeholders.

Cost Considerations: The procurement and maintenance costs of hydrogen-electric trains may initially be higher than those of conventional trains. However, as the technology matures and economies of scale are achieved, the costs are expected to become more competitive.

Safety and Regulatory Requirements: The use of hydrogen as a fuel raises safety concerns, necessitating the development of robust safety regulations and protocols to ensure the secure handling, storage, and usage of hydrogen onboard trains and at refueling stations.

Arst’s new tender for hydrogen-electric trains represents a renewed commitment to sustainable transportation in Sardinia. By embracing this innovative technology, the region has the opportunity to set an example for other areas seeking to transition to cleaner and greener public transportation systems.

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