en.Wedoany.com Reported - In 2025, Spanish rail freight operator Renfe Mercancías reduced its unit carbon dioxide emissions to 7.91 grams per tonne-kilometer, setting a historic low. The company transported over 8.17 billion tonne-kilometers throughout the year, thereby avoiding nearly 320,000 tonnes of greenhouse gas emissions and keeping 338,800 heavy trucks off the road, including 49,500 vehicles transporting dangerous goods.

This emission reduction achievement was announced during the SIL 2026 trade fair held this week in Barcelona. The company stated that this progress is attributed to its management strategy and energy efficiency initiatives, as well as continued investment in procuring more modern and efficient electric traction locomotives to gradually replace diesel locomotives.

In recent years, the proportion of transport handled by CeroCO2 electric locomotives powered by renewable energy has steadily increased, reaching 82% in 2025. Since 2022, this business has been carbon neutral certified, ensuring no direct or indirect emissions at the source, while reducing energy consumption and improving energy efficiency through a series of measures.

In terms of sustainable development, the company is advancing specific actions outlined in the Renfe Group Sustainability Master Plan (Plan Director de Sostenibilidad de Grupo Renfe), approved in 2024. This plan aligns with European and national policy strategies, and Renfe has committed to achieving the decarbonization target set by the Paris Agreement for 2050 a decade earlier.

To optimize train energy consumption, the company is modernizing rolling stock, implementing efficient driving programs, recovering braking energy through regenerative braking, and strengthening energy efficiency strategies and renewable energy promotion. To reduce train noise pollution and prevent forest fires along railway lines, the company is replacing traditional braking systems with silent brake pads made of synthetic materials. Currently, 83.3% of freight cars are equipped with silent brake pads.

During the logistics trade fair, Renfe Mercancías, as per tradition, awarded the 2025 Carbon Footprint Certificates (Certificados de Huella de Carbono) to its key customers, recognizing their contribution to choosing electric traction transport.

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