For the purpose of limiting or reducing air pollution, the Secretary of State may by regulations impose limits on the sulphur content of oil fuel which is used in furnaces or engines.
It shall be the duty of the Secretary of State, before he makes any regulations in pursuance of this section, to consult such persons appearing to him to represent producers and users of oil fuel, such persons appearing to him to represent manufacturers and users of plant and equipment for which oil fuel is used and such persons appearing to him to be conversant with problems of air pollution as he considers appropriate.
Regulations under this section—
It shall be the duty—
but nothing in this section shall be taken to authorise a local authority in Scotland to institute proceedings for any offence.
In this section "oil fuel" means any liquid petroleum product produced in a refinery.