1. 1) Management Engineering & Production Services (MEPS), Steel News –6.2.2013, Available at: http://www.meps.co.uk/steelnews.htm (accessed 2013-02-15).
2. 2) Data from World Steel Association, Available at: http://www. worldsteel.org (accessed 2013-02-15).
3. 3) World Direct Reduction Statistics 2011, Midrex.
4. 4) Energy Technology Perspectives 2010, Scenarios and Strategies to 2050, OECD/IEA, Available at: http://www.iea.org/techno/etp/index. asp (accessed 2012-03-02).
5. 5) ETSAP 2010, Iron and Steel Technology Brief 102, International Energy Association Energy Technology Systems Analysis Programme.