Use of energy fuels as a technological raw material for the production of certain products (e.g. natural gas, as a raw material for the production of synthetic ammonia, hard coal for the production of electrodes, etc.).

• Regulation (EC) No 1099/2008 of the European Parliament and of the Council of 22 October 2008 on energy statistics
  Place of publication: (Dz. Urz. UE L 304 z 14.11.2008, str. 1, z późn. zm.)