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Formula for 'uplifting' CO2 to WLTP levels?

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

Thanks

John

Filed under taxation - Asked by John Mulcahy (Dublin) - Wed, 14 Oct 2020 14:10


Shane O' Donoghue Answered by: Shane O' Donoghue - Complete Car Advisor - @Shane_O_D

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

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