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Renewable gas accelerates decarbonisation

Natural gas as a fuel for both light- and heavy-duty vehicles has vast potential to significantly reduce the GHG emissions from transport. Blending it with renewable gas contributes to further transport decarbonisation and offers significant emissions reduction potential for the future.

When taking into account the full lifespan of a vehicle (‘well-to-wheel’ approach), natural gas as fuel is one of the most effective solutions to fight climate change and improve air quality in a cost-efficient way. Therefore, the WtW approach has to be part of the methodology to calculate CO2 emissions and evaluate solutions for transport decarbonisation.

In addition, a CO2 reward mechanism should be offered to car manufacturers, according to the amount of renewable gas traded to the transport sector. A similar approach already in use in Switzerland is adding 10% of biomethane into the gas mix; in addition to boosting the CO2 homologation value, this results in a 10% CO2 credit In practical terms. The 10% mix of biomethane means that a natural gas vehicle producing 100 gCO2/km in Switzerland is homologated (officially labelled) as 90 gCO2/km.