§ Mr. Knoxasked the Secretary of State for Transport whether he intends to introduce more stringent legislation to control the emission of exhaust pollution by lorries.
§ Mr. HoramThe smoke emission limits for diesel engines already imposed by reference to British Standard BS AU 141a are, I believe, adequate; the problem is to ensure that manufacturers meet them. We are discussing tougher quality control procedures with manufacturers' representatives, and intend to introduce them early next year.