# The Smoke Control Areas (Authorised Fuels) (England) (No. 2) Regulations 2014, Paragraph 46

Extent: E+W+S

Newburn briquettes (also marketed as HouseFuel Burnrite), manufactured by M&G Solid Fuels LLP, Wilton International, Wilton, Middlesbrough, TS90 8WS, which—
(a) comprise petroleum coke (as to approximately 56 to 57% of the total weight), anthracite (as to approximately 37 to 38% of the total weight), and a dry powder binder (as to the remaining weight);
(b) were manufactured from those constituents by a cold cure process using a roller press;
(c) are unmarked pillow-shaped briquettes that are 70 millimetres in length, 62 millimetres in width and 42 millimetres in height;
(d) have an average weight of 110 grams per briquette; and
(e) have a sulphur content not exceeding 2% of the total weight.

---
Source: https://www.legislation.gov.uk/uksi/2014/2366/schedule/paragraph/46 (the official version)
Page: https://openlegislation.uk/smoke-control-areas-authorised-fuels-england-no-2-regulations-2014/schedule/paragraph-46
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.