Pamplona Introduces Ten New Buses Fueled by Compressed Natural Gas

Introduction of New Eco-Friendly Buses

This month, Pamplona has upgraded its public transport system by introducing ten new buses powered by compressed natural gas (CNG) with a Guarantee of Renewable Origin (GdO). This initiative not only adds to the fleet of the Town Urban Transport (TUC) but also highlights the city’s commitment to greener transportation solutions.

Future Fleet Expansions

Looking ahead, the TUC is set to welcome six additional vehicles later this year, which will also be powered by natural gas. This move is part of a broader strategy aimed at gradually transitioning the fleet, with a complete renewal set for 2026.

Replacing Diesel Engines

The newly acquired buses are manufactured by Scania and feature the C 340 C B4x2EB model, measuring 12 meters with a generous capacity of 92 passengers, including 24 seated places. Since the introduction of the second phase of the TUC’s cleaner energy plan in 2021, which focuses on phasing out diesel-fueled buses, Pamplona has successfully incorporated 25 CNG vehicles into its service.

Historically, diesel has been the main fuel source for public transport in Pamplona since the service’s inception in 1929. Transitioning from diesel to renewable natural gas not only contributes to cleaner air but also aligns with Pamplona’s environmental goals. This shift is timely, as the city prepares to designate a Low Emissions Zone, ensuring that these new buses are “clean vehicles” that do not impair urban air quality.

Achieving Carbon Neutrality

By using renewable gas, the transport system now operates in a carbon-neutral manner, equating consumption to biogas being injected into the network. This significant step is part of the Mancomunidad’s broader mission to become carbon neutral by 2030, setting a precedent as the first local authority in Spain to employ renewable gas for public transport.

Tracking Carbon Footprint Decreases

Since the Mancomunidad began measuring and certifying the carbon footprint of its services in 2014, there has been a commendable 30.1% reduction in carbon emissions from urban transport—dropping from 14,291.4 to 9,989.4 ton CO2 equivalents by 2024. This reduction occurred even alongside a fleet increase of 17.3% (an addition of 24 buses) and a 6.2% rise in annual kilometers traveled.

Future Biogas Production

In an exciting development, the Mancomunidad plans to produce its own biogas over the coming years, utilizing sludge from the Arazuri wastewater treatment plant and organic waste processing at the new Imárcoain Environmental Center. This initiative falls within the framework of local circular economy policies and aims for the biogas sourced from Pamplona’s waste to fuel heavy vehicles, including TUC buses, waste collection trucks, and water maintenance vehicles.

Upon completion of this production, all organic waste will serve as energy input for heavy vehicles, setting a path for a more sustainable and resource-efficient future.

Gas Supply Installations

In 2022, gas supply infrastructure was established outside the garages, enabling CNG buses to refuel efficiently. The system draws gas from the Nedgia network, stabilizing and pressurizing it via compressors before distribution. Two supply points are available: one in the refueling area and another near the bus parking entrance. An electrical transformation center with a capacity of 1,000 kVA was also installed to support electric vehicle chargers, which are increasingly integrated into the fleet.

Details of the New Buses

The ten recently introduced rigid buses are equipped with EURO VI-E technology engines producing 251 kW (340 hp). This advanced lineup includes air purification systems and security cameras, ensuring passengers’ safety. Each bus features a dual access ramp (manual and electric) for individuals using wheelchairs, highlighting inclusivity.

The purchase contract for these vehicles was awarded in September 2024, with each bus costing approximately €364,750 (excluding VAT), resulting in a total acquisition cost of €3,647,500 (excluding VAT).

Overview of the Fleet

These new additions began service during the recent San Fermín festival. As a result, seven older buses will soon be retired, bringing the TUC fleet total to 166 vehicles, with an average age of just 6.84 years. The fleet includes 60 articulated vehicles (18 meters), 104 standard buses (12 meters), and 2 smaller buses (10 meters). Currently, the fleet comprises 66 hybrid diesel-electric buses, 26 electric buses, and 35 powered by renewable gas, resulting in 76.5% of the fleet being environmentally friendly.

Conclusie

The recent advancements in Pamplona’s public transport system emphasize a commitment to sustainability through the introduction of eco-friendly buses. While the implications of these developments might seem localized, they can inspire broader logistical transformations within urban transport frameworks globally. On platforms like GetTransport.com, users can access affordable cargo transportation solutions that meet diverse needs, including moving large items like furniture and vehicles. Whether you’re planning an office move or require reliable delivery services, GetTransport.com stands out as a versatile resource for efficient logistics.

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