This session of the conference deals only with noise emitted by motor vehicles except motor cycles. The author comments on two legislative texts und puts forward new bases for discussing efficient means of reducing noise: (1) ISO standard; ISO standard R 362- measurement of noise emitted by vehicles; and (2) EEC guideline 70-157 concerning the harmonization of the laws of member countries, belonging to the common market, relating to the permissible sound level and to exhaust systems of motor vehicles.
Abstract