CO2 rises growing for NEDC Correlated cars

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Popular fleet segments including medium and large SUVs are being hit by the largest increases in CO2 under the new WLTP fuel economy cycle – and bigger hikes are on the cards, according to Jato.

P is already bringing tax increases for fleets and worse could be on the cards

The gap between the genuine NEDC figures and the new NEDC Correlated ones is widening

The new cycle is designed to better replicate real-world driving conditions than the New European Drive Cycle (NEDC) it replaces and, as such, is expected to bring CO2 and fuel consumption rises, including increased costs for fleets in markets using CO2-based taxation.

Latest data from Jato shows that the gap between the genuine NEDC figures and the new NEDC Correlated ones is widening. Figures generated by the firm in April showed an average 8g/km uplift to NEDC Correlated figures – now, the test data, which is regarded as more robust as it includes increased vehicle numbers, shows a difference of 9.6g/km.

Jato added that this could increase further as the majority of cars currently re-homologated are within the A (city cars) and B (supermini) segments – which have seen some of the smallest increases of 6.6g/km and 8.1g/km respectively. It’s in some of the more popular fleet segments where the largest increases are being seen, such as medium SUVs (up 16.7g/km), large SUVs (up 14.0g/km) and D2 upper-medium+ (up 13.1g/km). The largest increase is seen in the luxury segment, where NEDC Correlated CO2 values are up 18.3g/km.

The firm has also warned that the process of concluding the re-homologation of all vehicles could take longer than expected. Currently only 20% (by volume) of model/versions have been published as being re-homologated under WLTP test cycles. In response, carmakers including VW have warned about having to scale back production of some models as they face a backlog of vehicles that need to be tested in time for the September deadline.

Jato also expressed concerns over the impact on the car industry of the widening discrepancy between existing NEDC data and NEDC Correlated values, which along with a shift towards petrol vehicles could see manufacturers face significant penalties for non-compliance with current EU CO2 fleet targets. The firm’s data indicates that CO2 values could reach 130g/km in 2019; 12g/km increase on the 118g/km currently seen in Europe and above the target set by the EU, and with further risks ahead for 2020 and 2021 when the target will move to 95g/km.

A spokesperson for the company commented: “Following our analysis of a sample of the vehicles currently re-homologated, if this is extrapolated to the whole fleet, CO2 values could reach 130g/km in 2019, which is a significant 12g/km increase on the 118g/km currently seen in Europe and above the target set by the EU. As a result, car manufacturers could face a penalty of €95 per gram over the target per vehicles sold. This could amount to a huge financial penalty for the European car industry who registered more than 16 million vehicles in 2017.

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Natalie Middleton

Natalie has worked as a fleet journalist for 16 years, previously as assistant editor on the former Company Car magazine before joining Fleet World in 2006. Prior to this, she worked on a range of B2B titles, including Insurance Age and Insurance Day. As Business Editor, Natalie ensures the group websites and newsletters are updated with the latest news.