xmlns:atom="http://www.w3.org/2005/Atom"
3. When – (a)the vehicle is held stationary on an open level surface such that there is an unobstructed area not less than 3 metres wide all around the vehicle; and (b)the engine by which the vehicle is propelled is run at a constant rotational speed of
the noise measured at 0.5 metres from the exhaust outlet at 45 degrees to the axis of the outlet pipe in a horizontal plane shall not exceed the relevant level. |