To ask the Secretary of State for Transport what are the latest figures for (a) how many and (b) what proportion of (i) new cars use unleaded fuel and (ii) car owners have converted their cars to unleaded fuel and what proportion this is of cars that can be converted, (iii) new cars have a catalytic converter, (iv) new cars made in the United Kingdom have catalytic converters and (v) car owners have had a catalytic converter fitted.
[holding answer 2 March 1992]: The Information for (i) and (ii) is not available in the form requested although the hon. Gentleman may also wish to know that in December 1991, 43 per cent. of petrol sold in the United Kingdom was unleaded.According to a recent survey of barriers against further uptake of unleaded petrol, carried out by the Department of the Environment, some relevant information is as follows:
The rest of the information is as follows: