§ 72. Mr. Hastings
asked the Minister of Housing and Local Government and Minister for Welsh Affairs if he will introduce legislation to give local authorities power to designate sulphur-oxide-free zones, as well as smokeless zones, in the areas for which they are responsible
§ Mr. H. Brooke
T am afraid that in the present state of scientific and technical knowledge it would not be practicable to achieve arrangements on the lines contemplated by the hon. Member.