Pollutionwatch: will carmakers follow VW and revamp vehicles?

Legal limits for nitrogen dioxide were set for 2010 but most UK towns and cities are still failingFive years ago, Volkswagen admitted to using software that ensured its cars were on their best behaviour when tested but could produce more pollution at other times. Court cases followed and public confidence in diesel collapsed.Across Europe VW vehicles were recalled. Simple modifications were made: new software for 1.6 and 2.0 litre engines and new air intakes on 1.6 litre models. But did it make any difference? Continue reading...