TomTom

CO2 impact of London’s petrol vehicles rises 1.5 per cent as capital remains world's slowest city to drive through, according to TomTom Traffic Index

New data from TomTom shows UK capital consumes more diesel and petrol on a per mile basis than anywhere else in the world, thanks in large part to rush hour congestion

New data comes as Sadiq Khan urges drivers to swap their cars for trips by bus, train, or bike