Average new car CO2 emissions fell by their biggest ever margin last year with the impact of recession and the Scrappage Incentive Scheme boosting the continued influence of technological advances made by vehicle manufacturers, according to the annual New Car CO2 Report released today by the Society of Motor Manufacturers and Traders.

Average new car CO2 emissions fell by their biggest ever margin last year with the impact of recession and the Scrappage Incentive Scheme boosting the continued influence of technological advances made by vehicle manufacturers, according to the annual New Car CO2 Report released today by the Society of Motor Manufacturers and Traders.