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Real-world fuel economy figures published for 30 PSA models

Screen shot 2016-07-07 at 12.15.01The results (available online here) come from a test procedure established with two non-governmental organisations, Transport & Environment (T&E) and France Nature Environment (FNE) and follow the publication earlier this year of the carmaker’s first real-world economy tests, which were carried out on three of its cars.

The new fuel economy data is based on the European Union’s Real Driving Emissions (RDE) project, with the procedure measuring fuel consumption by means of a portable emissions measurement system (PEMS) installed on the vehicle. The results are audited by Bureau Veritas.

Models covered include the 308 1.6l BlueHDi 120 S&S BVM6, which has an official fuel economy figure of 88.1mpg (3.2l/100km) but achieved a figure of 57.6mpg (4.9l/100km) in the real-world test.

The Citroën models tested include the C4 BlueHDi 100 BVM Feel, which has an official fuel economy figure of 78.5mpg (3.6l/100km) but achieved 55.3mpg (5.1l/100km).

The DS 3 and 4 were also tested, with the DS 4 PureTech 110 S&S BVM So Chic achieving 52.3mpg (5.4l/100km) in the real world test compared to 74.3mpg (3.8l/100km) for its official result.

Greg Archer, clean vehicles director at Transport & Environment, said: “This real-world test provides more representative information to consumers than new laboratory tests, helping them to choose the most fuel-efficient, low-carbon models.”

The group will publish figures for another 20 models by the end of the year and introduce a simulator allowing customers to reduce their fuel consumption depending on driving conditions.

At the same time, an eco-driving application will also be made available online to customers to help them manage their fuel consumption.

Next year, PSA add in measurements to cover nitrogen oxides (NOx) in customer driving conditions.

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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.