The Citroen DS 3 Cabrio on display at the Geneva motor show: the DS 3 was among the cars used in PSA Peugeot Citroen’s fuel economy tests; it scored 4.9 litres per 100km, (57.6mpg). Photograph: Fabrice Coffrini/AFP/Getty Images

PSA Peugeot Citroen used the recent Geneva motor show to unveil not just new cars, but a new system for judging the fuel economy and emissions of thos(...)

Italian consumer advocacy group, is taking Volkswagen and Fiat to court over misleading fuel economy claims

Altroconsumo, an Italian consumer advocacy group, is taking Volkswagen and Fiat to court, alleging misleading fuel economy claims, and it’s encouragin(...)

In a move that has long been argued over, the European Union looks set to enforce a fuel-economy testing regime on carmakers that would see the tests (...)

Average vehicle emissions have fallen but there are calls for more stringent tests

Average carbon emissions from passenger cars in Europe have fallen by 49g/km since 1995, a drop of 31 per cent. Those figures are from the European En(...)

Hot air? Campaigners says the agreement has been weakened unnecessarily. Photograph: Joe Raedle/Getty

The European Parliament has finally passed long-anticipated legislation to enforce a 95g/km average carbon-dioxide limit on carmakers from 2020(...)

Mini has confirmed the engine range that will power its third-generation models which will be revealed in November. The core of the range will be a ne(...)

Workers at the Audi plant in Ingolstadt, Bavaria. Photograph: Michaela  Rehle/Reuters

Assuming that the science is right and that human-derived carbon dioxide is largely responsible for the shift in global climate, then the transport in(...)

New limits will force car makers to cut an average of 35g/km of Co2 from their fleet between now and 2020. Photograph: Frank Miller

Neil BriscoeRules for enforcing carbon emissions limits on new cars have been agreed by the Environmental Committee of the European Parliament, but al(...)