To ask the Secretary of State for Transport what contribution he expects his Department to make to the achievement of Britain's commitment to reduce carbon dioxide emission levels to the 1990 level in the year 2000; and if he will make a statement.

I refer the hon. Member to the answer that I gave to the hon. Members for Wakefield (Mr. Hinchliffe) and for Ellesmere Port and Neston (Mr. Miller) on 24 May 1993 at column 417.