(1) The Minister may by order make, in relation to mechanically propelled vehicles and vehicles drawn by mechanically propelled vehicles, regulations in respect of all or any of the following matters, that is to say: -
(a) the construction of such vehicles;
(b) the conditions under which such vehicles may be used;
(c) the equipment, fittings, and instruments to be fitted to or carried on such vehicles, and in particular instruments for giving audible warning of the presence of such vehicles and instruments for giving visible warning to the rear of the intention of such vehicles to stop;
(d) the misuse of the machinery of such vehicles, including the use of such vehicles when the machinery thereof is in a defective condition;
(e) the discharge of soot, ashes, oil, steam or gas from such vehicles;
(f) the use and misuse of the equipment, fittings, and instruments fitted to or carried on such vehicles either voluntarily or in pursuance of this Act or regulations made thereunder;