The DoE's proposals are a response to the increasing penetration of petroleum coke into the UK domestic solid fuel market. The fuel consists of the solid residue from oil refining, and has a sulphur content of 5.8% - way above the average 1.6% sulphur content of British coals. US refineries are the source of the fuel.
An estimated 50,000-100,000 tonnes of petroleum coke are being imported annually for household use in the UK. This is a sm