# The Smoke Control Areas (Authorised Fuels) (England) (No. 2) Regulations 2014, Paragraph 48

Extent: E+W+S

Newflame Plus briquettes, manufactured by Maxibrite Limited at Mwyndy Industrial Estate, Llantrisant, Mid Glamorgan, which—
(a) comprise bituminous coal and petroleum coke (each as to approximately 10 to 15% of the total weight) and anthracite duff and starch binder (as to the remaining weight);
(b) were manufactured from those constituents by a process involving a roll-pressing and heat treatment at approximately 260°C;
(c) are unmarked pillow-shaped briquettes that are approximately 68 millimetres in length, 63 millimetres in width and 38 millimetres in height;
(d) have an average weight of 110 grams per briquette; and
(e) have a sulphur content not exceeding 1.9% on a dry basis.

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Source: https://www.legislation.gov.uk/uksi/2014/2366/schedule/paragraph/48 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-england-no-2-regulations-2014/schedule/paragraph-48
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.