Changes made by Council Directive 74/290/EEC of 28 May 1974 adapting to technical progress Council Directive No 70/220/EEC on the approximation of the laws of the Member States relating to measures to be taken against air pollution by gases from positive-ignition engines of motor vehicles
EU Directive 1974/290
No changes made by Council Directive 74/290/EEC of 28 May 1974 adapting to technical progress Council Directive No 70/220/EEC on the approximation of the laws of the Member States relating to measures to be taken against air pollution by gases from positive-ignition engines of motor vehicles are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.