SCHEDULE 1Additional authorised fuels

13

Homefire briquettes, manufactured by Coal Products at Coventry, Warwickshire, which—

a

comprise crushed bituminous coal;

b

were manufactured from the coal by a process involving heat treatment at about 450°C and extrusion;

c

are unmarked hexagonal briquettes and have an average weight of 200 grammes; and

d

have a sulphur content not exceeding 1£5 per cent. of the total weight.