The average CO2 across all brands in Britain is now 150.56g/km, although Toyota has dropped to 129.2g/km in the market, largely by dropping high-emission cars from its range and introducing new small cars and better engines.
Hyundai and Audi also showed significant cuts in the emissions across their ranges.
Clean Green Cars also attributes a measurable degree of success in the area to the scrappage scheme introduced by the British Government.
CGC was set up to provide clear, easily understood advice about choosing and using cars in a more environmentally considerate way.
