Low Emission Zones in Spain 2026: Which Cars Can Enter

# Low Emission Zones in Spain 2026: Which Cars Can Enter

The Low Emission Zones (ZBE) in Spain are already a consolidated reality in 2026: all municipalities with more than 50,000 inhabitants are legally required to have them operational (Law 7/2021 on Climate Change and Energy Transition, BOE of May 22, 2021). If you have a gasoline, diesel, or electric car and live or work in a city with ZBE, you need to know exactly which label applies to you and whether you can drive without restrictions. The answer depends on the registration year and the type of engine of your vehicle.

What are Low Emission Zones and why they matter in 2026

A Low Emission Zone is an urban area delimited where the circulation of the most polluting vehicles is restricted or prohibited, with the aim of improving air quality and reducing CO₂ and particle emissions. Law 7/2021 established the obligation for all Spanish municipalities with more than 50,000 inhabitants and provincial capitals to implement their ZBE before January 1, 2023.

In 2026, most of these cities already have their ZBE operational with different levels of restriction. Some, like Madrid (Madrid Central and Madrid 360) or Barcelona (Low Emission Zone Ronda de Dalt and Ronda Litoral), apply permanent restrictions. Other medium-sized cities have opted for episodic or time-based restrictions. The DGT (dgt.es) is the official source to consult the updated map of ZBE in Spain.

Non-compliance with restrictions may result in economic penalties that, according to the applicable municipal regulation, usually range between 90 and 200 euros per infraction, although each municipality sets its own amounts. Always consult your city's municipal ordinance.

The DGT environmental labels: the key to knowing if you can enter

The DGT environmental labels system classifies vehicles into five categories according to their emissions. This classification determines access to ZBE throughout Spain:

• CERO Label (blue background): Electric battery vehicles (BEV), fuel cell hydrogen vehicles (FCEV), and extended-range electric vehicles (REEV) with up to 40 g/km of CO₂ and minimum electric range of 40 km. Access without restrictions in all ZBE.
• ECO Label (green and blue background): Plug-in hybrids with electric range less than 40 km, non-plug-in hybrids (HEV), natural gas vehicles (GNC/GNL), and GLP. Access is generally allowed, although some cities may apply restrictions during high pollution episodes.
• C Label (green background): Gasoline vehicles registered from 2006 (Euro 4 onwards) and diesel from 2014 (Euro 6 onwards). Access is allowed in most ZBE, but with possible restrictions during severe pollution episodes.
• B Label (yellow background): Gasoline Euro 3 (registered between 2000 and 2005) and diesel Euro 4 and Euro 5 (between 2006 and 2013). Access is restricted in many ZBE, especially during pollution episodes.
• No Label: Vehicles older than category B. Prohibition of access in practically all active ZBE.

You can consult and request your environmental label on the official DGT website (dgt.es). The process is free, and the label is issued based on the data from the Vehicle Register.

Which cars can enter ZBE based on their engine type

Electric and plug-in hybrid cars

100% electric vehicles are the only ones that have guaranteed access without restrictions in all Spanish ZBE, regardless of the pollution alert level. They automatically receive the CERO label from the DGT.

Plug-in hybrids (PHEV) with certified electric range of at least 40 km also receive the CERO label. If the range is less than 40 km, they are classified as ECO. In practice, this means a PHEV with 35 km of electric range may face restrictions during high pollution episodes in cities like Madrid or Barcelona.

Practical example: A driver with a Toyota Prius PHEV from 2023 (certified electric range over 40 km) receives the CERO label and can drive through Madrid Central without restrictions. A driver with a Mitsubishi Outlander PHEV from 2018 (range under 40 km in WLTP cycle) receives the ECO label and may face restrictions during high pollution episodes.

Gasoline cars

• Gasoline registered from 2006: C Label. Access is allowed in most ZBE under normal conditions.
• Gasoline between 2000 and 2005: B Label. Frequent restrictions in large city ZBE.
• Gasoline before 2000: No Label. Prohibition of access in active ZBE.

Diesel cars

Diesels are the most affected by ZBE. Only those registered from 2014 (Euro 6 standard) receive the C Label and can drive with relative normality. Diesel cars between 2006 and 2013 (Euro 4 and Euro 5) have the B Label and are subject to frequent restrictions. Those before 2006 have no label and are excluded from ZBE.

Practical example: A driver with a Volkswagen Golf diesel from 2012 (Euro 5, B Label) working in the center of Barcelona may find their vehicle restricted in the Ronda de Dalt ZBE during pollution episodes, forcing them to seek parking outside the zone or use public transport.

ZBE in Spain's main cities in 2026

Each municipality has autonomy to design its ZBE, leading to significant differences between cities. These are the most relevant cases:

Madrid: Madrid 360 is the largest ZBE in Spain. It includes the interior of the M-30 and applies permanent restrictions for vehicles without a label and with B Label. Vehicles with C Label can circulate but with restrictions during high pollution episodes. CERO and ECO labeled vehicles have free access.

Barcelona: The metropolitan ZBE affects the area delimited by the Rondas. Vehicles without a label have permanent access prohibition. Vehicles with B Label have restrictions on working days. Check the current status on the Metropolitan Area of Barcelona (amb.cat).

Valencia, Seville, Zaragoza, Bilbao, and other capitals: Have implemented their ZBE with different restriction levels. Some apply restrictions only during declared pollution episodes; others have permanent restrictions in the historic center. Always consult the corresponding municipality's website or the DGT to know the exact status of the ZBE in your city.

Exceptions and special cases in ZBE

The regulation includes several exceptions to restricted access that are worth knowing:

• Residents: Many cities allow access to residents registered in the ZBE even if their vehicle does not have the required label, usually with time or day limitations. Requires prior registration with the municipality.
• People with reduced mobility: Vehicles with parking permits for people with disabilities usually have access allowed in all ZBE.
• Emergency and essential service vehicles: Ambulances, firefighters, police, and delivery services with municipal authorization are exempt.
• Historic vehicles: Vehicles over 30 years old with historic registration may have a special regime according to the municipal ordinance.
• Last-mile delivery: Delivery vans have specific adaptation deadlines according to municipal regulation, although the trend is towards requiring ECO or CERO labels for access during business hours.

How ZBE affect the decision to buy a new car

ZBE have become a determining factor in vehicle purchase decisions. If you live or work regularly in a city with an active ZBE, a diesel car registered before 2014 or a gasoline car before 2006 may lose access to the urban center at any time.

In this context, the aid for purchasing electric and plug-in hybrid vehicles—such as the Plan Auto+ or the subsidies from the MOVES III program (managed by the IDAE, idae.es)—have gained special relevance, as they allow access to vehicles with CERO label significantly reducing the acquisition cost.

If you are considering changing your vehicle due to your ZBE restrictions, you can use the calculation tools available on this site to estimate how much you can save combining the Plan Auto+ with the 15% deduction in IRPF for purchasing an electric car.

How to obtain or verify your environmental label

If you don't have the adhesive label on your vehicle or want to verify which one applies to you, the process is simple:

1. Access the official DGT (dgt.es) website and look for the environmental label section.
2. Enter your vehicle's license plate. The system consults the Vehicle Register and indicates the category that applies to you.
3. If you want the physical adhesive, you can request it at provincial traffic headquarters or authorized points. The process is free.
4. If you believe the classification is incorrect, you can file a complaint providing the vehicle's technical documentation.

Important: The label is not mandatory for driving, but it is required for accessing ZBE and for benefiting from discounts in the IVTM (circulation tax) that some municipalities apply to cleaner vehicles.

Sources and reference legislation

• Law 7/2021, of May 20, on Climate Change and Energy Transition (BOE nº 121, of May 22, 2021): establishes the obligation of ZBE in municipalities with more than 50,000 inhabitants.
• DGT (dgt.es): Environmental label classification, ZBE map, and label application process.
• IDAE (idae.es): Information on the MOVES III program and electric mobility subsidies.
• AEAT (agenciatributaria.gob.es): Deductions in IRPF for purchasing electric vehicles.
• Municipal ordinances of Madrid, Barcelona, and other cities: Regulate the specific access conditions for each ZBE. Consult the corresponding municipality's website for the updated regulation in 2026.