Changes made by Council Directive of 20 March 1970 on the approximation of the laws of the Member States on measures to be taken against air pollution by emissions from motor vehicles (70/220/EEC)
EU Directive 1970/220
No changes made by Council Directive of 20 March 1970 on the approximation of the laws of the Member States on measures to be taken against air pollution by emissions from motor vehicles (70/220/EEC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.