The average CO2 emissions of new cars sold in Britain has improved by 4.76 percent in a year, according to a survey carried out by the independent environmental website 'Clean Green Cars'.
Toyota, with an average fleet CO2 output of 124.49g/km now leads the CGC league table from Fiat (125.05), Mini (129.33), Citroen (131.64) and Hyundai (131.91).
The best improvement was registered by Lexus, which went from 189.37g/km average to 169.97g/km.