§ Mr. LoughtonTo ask the Chancellor of the Exchequer how much of the change in the figures for carbon emission savings from fuel duties, set out in the pre-Budget report, relies on (i) reduced mileage travelled by vehicles and (ii) reduced emissions resulting from technological improvements in car engines. [99187]
§ Mr. Timms[holding answer 22 November 1999]: The Pre-Budget Report set out that the fuel duty escalator from 1996 to 1999 is estimated to produce carbon savings of 1 to 2.5 million tonnes of carbon by 2010.