The SMMT says that average UK new car sales in 2017 emitted more CO2 than a year earlier, the first time an annual rise in the measure has been recorded in two decades.
The UK’s automotive trade body also issued a warning shot on future CO2 targets and said anti-diesel sentiment means the UK could miss environmental goals.
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While new cars on sale in 2017 emitted 12.6% less carbon dioxide than the equivalent older models, average UK new car CO2 was up 0.8%.
An SMMT report blamed the market shift away from diesel for the rise. It said falling diesel sales were responsible for almost half of last year’s CO2 increase – with ‘disappointing’ electric car sales unable to bridge the gap.
The SMMT said tough EU industry targets are looking increasingly challenging with a 5.9% annual reduction in CO2 needed for the UK average to meet 95g/km level by 2021.
The SMMT called for ‘realistic policies’ from government to support the transition to a low carbon future and said that missing the next round of CO2 targets in 2021 would have negative consequences for the UK’s own climate change goals.
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By GlobalDataThe rise to the UK fleet average CO2 of newly registered cars is the first time it has gone up on record.
Fleet average CO2 at 121g/km in 2018
The ‘SMMT New Car CO2 Report 2018: Driving the transition to a low carbon future’ reveals that carbon tailpipe emissions rose for the first time in two decades last year, by 0.8% to 121.0g/km. The rise came is despite cars being ever more efficient, with new and updated models in 2017 emitting, on average, -12.6% less CO2 than those they replaced. However, this was not enough to offset a -17.1% decline in new diesel registrations as ‘confusion’ over government policy caused buyers to hold back. Because diesel cars typically consume less fuel than petrol equivalents they emit, on average, 15-20% less CO2, and about half last year’s overall CO2 rise was attributable to this decline in diesel demand. Meanwhile, a substantial fall in registrations of smaller cars also had a significant effect, as falling consumer confidence hit the lower end of the market.
The increase in the fleet average new car CO2 figure follows 19 years of reductions thanks to massive investment in new, advanced engine, fuel and battery technology, as well as the use of lightweight materials such as aluminium and composites. These ongoing improvements mean average CO2 is still a third (-33.1%) lower than in 2000. The light commercial vehicle sector, 96% of which is powered by diesel, has also shown impressive progress – with new vans last year reducing CO2 by -4.8% – to a new low of 165.4g/km.
The report highlights the importance of internal combustion engines in the UK’s journey to a low carbon future, with 99.5% of the UK’s 2.5 million strong new car market still powered, wholly or in part, by petrol or diesel.
Alongside advances in petrol and diesel vehicle technology, which deliver lower CO2, vastly reduced NOx and almost zero particulates, industry is investing heavily in alternative technologies. More than a fifth of new car models now available are zero emission capable, yet they make up just 5% of sales.
For pure battery-powered vehicles, take up is even lower (0.5%). Incentives have been scaled back and new tax measures imposed on hybrid and plug-in hybrid cars are undermining consumer and industry ambition for these technologies, the SMMT says. Given hybrid vehicles outsell battery electric vehicles by a factor of 2.5 to 1, they will be an important part of the transition to the zero emission roads of the future, the SMMT notes.
Mike Hawes, SMMT Chief Executive, said: “The industry shares government’s vision of a low carbon future and is investing to get us there – but we can’t do it overnight; nor can we do it alone. The anti-diesel agenda has set back progress on climate change, while electric vehicle demand remains disappointingly low amid consumer concerns around charging infrastructure availability and affordability. To accelerate fleet renewal, motorists must have the confidence to invest in the cleanest cars for their needs – however they are powered. A consistent approach to incentives and tax, and greater investment in charging infrastructure will be critical. Now, more than ever, we need a strategy that allows manufacturers time to invest, innovate and sell competitively, and which gives consumers every incentive to adapt.”
