Rådets direktiv 72/306/EØF af 2. august 1972 om tilnærmelse af medlemstaternes lovgivning om foranstaltninger mod emissionen af forurenende stoffer fra dieselmotorer til fremdrift af køretøjer
Council Directive 72/306/EEC of 2 August 1972 on the approximation of the laws of the Member States relating to the measures to be taken against the emission of pollutants from diesel engines for use in vehicles