Vehicular Natural Gas - Naturgy - Press room

Vehicular Natural Gas


Vehicular natural gas (VNG) is the natural gas used in the automotive sector. It has multiple economic and environmental advantages over other fuels, and its efficiency and sustainability make it an ideal alternative.

It is supplied as Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG). CNG is used by passenger cars, vans, lorries and city buses, while LNG is a fuel used by long-distance heavy lorries and coaches, and also for maritime and rail transport.

Its main advantages include:

  • 85% reduction in nitrogen oxide emissions.
  • 100% reduction in sulphur oxide emissions.
  • 95% reduction in emissions of suspended particulates.
  • 25% reduction in CO2 emissions compared to petrol.

It is also a more economical fuel than petrol and diesel. For example, with 20 euros you can travel 555 km with VNG, compared to 375 km with diesel and 275 with petrol.

Another benefit of this fuel is that it produces up to 50% less noise and vibration compared to diesel engines.

Evolution of natural gas vehicles in Spain:

What kind of vehicles can use VNG?


This map shows the current fuelling stations avaliable in Spain.

Gas Natural Fenosa and agreements

Gas Natural Fenosa is the only company with more than 20 years of experience offering sustainable mobility solutions through the use of natural gas as an automotive fuel, and is the leading Spanish company in comprehensive gas mobility services including the design, implementation and operation of natural gas stations.

In 2013 Gas Natural Fenosa signed a collaboration agreement with SEAT to foster the use of compressed natural gas in the Spanish automotive sector in order to improve urban air quality and help achieve sustainability and economic development targets. The agreement includes the incorporation of Compressed Natural Gas in Gas Natural Fenosa’s fleet of vehicles and the installation of refuelling points for this type of alternative fuel at SEAT authorised dealers, among other initiatives.

Moreover, this summer another agreement was signed with the Guardia Urbana (city police) and SEAT to improve the energy efficiency of its mobile fleet and installations, including the delivery of the first natural gas vehicle for the Civil Guard fleet.

Spain currently has 44 public stations, of which 25 are managed by Gas Natural Fenosa. 19 of them offer LNG.


Photo Gallery

Scope and subject: Vehicular natural gas

December 2016

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