§ Mr. Dobson
To ask the Secretary of State for Transport if he will make a statement about the environmental impact of road vehicles running on diesel as opposed to petrol; and what is his policy on the promotion of the use of diesel and petrol.
§ Mr. Atkins
[holding answer 9 February 1990]: I refer the hon. Member to the answer I gave to the hon. Member for Ynys Mon (Mr. Jones) on 18 December 1989, Official Report, columns 12–14.