§ Sir G. Sinclairasked the Secretary of State for the Environment what plans he had to introduce a system of noise certification for engines of road vehicles on the lines of the scheme recently agreed for aircraft engines.
§ Mr. Eldon GriffithsThere are already regulations imposing maximum noise limits on road vehicles. We are discussing with the industry what system might be adopted to enable vehicle types to be approved as complying with these and other regulations.