Petrol Exhausts More Suspect Than Diesel—Mr. Hogg T HE Minister of
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Science, Mr. Quintin Hogg, told the Commons on Wednesday that there was no evidence to suggest that diesel engine fumes were a substantial hazard to health. But, he added, he was informed that the ordinary exhaust of petrol engines was very much more likely to be suspect.
He had been asked by Sir Ronald Russell (Con., S. Wembley) what consideration had been given by the Medical Research Council to the harmful effects of benzpyrene in diesel engine fumes. The chemical was present in cigarette smoke. As it was present in far greater concentration in diesel fumes, some kind of warning seemed necessary Sir Ronald remarked, Mr. Dudley Smith (Con., Brentford and Chiswick) urged that the Council should further study the matter.
Forth Road Bridge Soon IF the weather continues to be favour1 able it is expected that traffic will be able to use the Forth Road Bridge this autumn. Mr. Gordon Campbell, Scottish Under Secretary, who said this in the Commons last week, added that it was hoped to fix the official opening date by early summer.
Answering questions, he repeated that it was still/ the intention of the Government to impose tolls on the bridge—but he gave no definite answer when asked if the tolls would be levied when traffic first started moving, or after the date of the official opening.