evidence: 95 per cent of vehicles seen driving in London on an average day now meet the ULEZ emission standards, up from just 39 per cent in 2017. This means that the vast majority of drivers are not affected by the ULEZ and do not need to pay the daily charge. [...] Over 97 per cent of cars seen driving in London on an average day now meet the ULEZ emission standards. This means the vast majority of drivers are not affected by the ULEZ and do not need to pay the daily charge.