§ Mr. Simon HughesTo ask the Secretary of State for the Environment what assessment the quality of urban air review group has made of the relative disbenefits to the environment and human health of motor vehicles using(a) leaded petrol, (b) unleaded petrol, (c) diesel and (d) natural gas.
§ Mr. AtkinsThe most recent report of the quality of urban air review group, "Diesel Vehicle Emissions and Urban Air Quality" was published on 28 January 1994 and copies have been placed in the Library of the House.