HC Deb 31 January 1969 vol 776 cc404-5W
Mr. Whitaker

asked the Minister of Transport what evidence he has on the extent to which the level of car exhaust fumes in cities affects drivers or public health; and what proposals he has to reduce pollution.

Mr. Marsh

Research done by the Ail Pollution Unit of the Medical Research Council and the Warren Spring Laboratory of the Ministry of Technology has failed to detect adverse effects on drivers or public health from present-day concentrations of car exhaust fumes in city streets. I have at present no proposals to reduce pollution from petrol engine vehicles, but I am taking action against the nuisance of black smoke from diesel engine vehicles, the bulk of which are heavy lorries.