THE average CO2 emissions of new cars are continuing to fall, according to figures published by the Society for Motor Manufacturers and Traders (SMMT).

Its 2004 data shows another year-on-year reduction and found a total drop of 9.7% from 1997 levels to 171.4g/km. The biggest decline was in the MPV and 4x4 segments, down 19.4% and 14.6% respectively in eight years.

The report is available at www.smmt.co.uk/publications/environment.