Vertical Exhausts No Advantage—Minister

10th August 1962, Page 30

10th August 1962

Page 30

Page 30, 10th August 1962 — Vertical Exhausts No Advantage—Minister

Noticed an error?
If you've noticed an error in this article please click here to report it so we can fix it.

T ESTS here and in the U.S.A. had

I shown that vertical exhaust pipes on diesel-engined vehicles gave no advantage in reducing urban air pollution—and there were positive disadvantages to their use.

Mr. Marples stated this in the Commons and then went on to list some of the disadvantages. Many exhaust constituents, especially diesel oil smuts, were heavier than air and were better blown out near the ground than into windows and on to the heads of passers-by, he said. The shape of many vehicles also produced an air-flow when moving that would draw exhaust down at the rear in the face of following vehicles.