Formula for 'uplifting' CO2 to WLTP levels?

What is the formula for calculating the CO₂ emissions uplifted to WLTP levels?

Thanks

John

John Mulcahy (Dublin)

Oct 2020 Filed under: taxation

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Expert answer

Hi John,

For a petrol car, the new CO₂ rating = (old NEDC rating x 0.9227) + 34.554g/km
For a diesel car, the new CO₂ rating = (old NEDC rating x 1.1405) + 12.858g/km

Shane O' Donoghue - Complete Car Advisor